diff --git a/forge-game/src/main/java/forge/game/phase/PhaseType.java b/forge-game/src/main/java/forge/game/phase/PhaseType.java
index 0cea056d0ab..a1f5a208a75 100644
--- a/forge-game/src/main/java/forge/game/phase/PhaseType.java
+++ b/forge-game/src/main/java/forge/game/phase/PhaseType.java
@@ -55,6 +55,11 @@ public enum PhaseType {
         return result;
     }
 
+    public final boolean isCombatPhase() {
+        return ((ALL_PHASES.indexOf(this) >=  ALL_PHASES.indexOf(COMBAT_BEGIN))
+        && (ALL_PHASES.indexOf(this) <=  ALL_PHASES.indexOf(COMBAT_END)));
+    }
+
     public final boolean isAfter(final PhaseType phase) {
         return ALL_PHASES.indexOf(this) > ALL_PHASES.indexOf(phase);
     }
diff --git a/forge-gui-android/proguard.cfg b/forge-gui-android/proguard.cfg
index 8ed1f08d7f1..ab6fbdeecf0 100644
--- a/forge-gui-android/proguard.cfg
+++ b/forge-gui-android/proguard.cfg
@@ -39,6 +39,7 @@
 -keep class com.google.common.** { *; }
 -keep class io.sentry.event.Event { *; }
 -keep class io.netty.util.internal.logging.** { *; }
+-keep class net.jpountz.** { *; }
 
 -keepclassmembers class com.badlogic.gdx.backends.android.AndroidInput* {
    <init>(com.badlogic.gdx.Application, android.content.Context, java.lang.Object, com.badlogic.gdx.backends.android.AndroidApplicationConfiguration);
diff --git a/forge-gui-android/src/forge/app/Main.java b/forge-gui-android/src/forge/app/Main.java
index 752253cd617..a54df3b32e3 100644
--- a/forge-gui-android/src/forge/app/Main.java
+++ b/forge-gui-android/src/forge/app/Main.java
@@ -186,6 +186,7 @@ public class Main extends AndroidApplication {
     }
 
     private void initForge(AndroidAdapter adapter, boolean permissiongranted){
+        boolean isPortrait;
         //establish assets directory
         if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
             Gdx.app.error("Forge", "Can't access external storage");
@@ -211,20 +212,23 @@ public class Main extends AndroidApplication {
         boolean landscapeMode = adapter.isTablet == !FileUtil.doesFileExist(adapter.switchOrientationFile);
         if (permissiongranted){
             if (landscapeMode) {
+                isPortrait = false;
                 Main.this.setRequestedOrientation(Build.VERSION.SDK_INT >= 26 ?
                         ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE : //Oreo and above has virtual back/menu buttons
                         ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
             } else {
+                isPortrait = true;
                 Main.this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
             }
         } else {
+            isPortrait = true;
             //set current orientation
             Main.this.setRequestedOrientation(Main.this.getResources().getConfiguration().orientation);
         }
 
         ForgePreferences prefs = FModel.getPreferences();
         boolean propertyConfig = prefs != null && prefs.getPrefBoolean(ForgePreferences.FPref.UI_NETPLAY_COMPAT);
-        initialize(Forge.getApp(new AndroidClipboard(), adapter, assetsDir, propertyConfig));
+        initialize(Forge.getApp(new AndroidClipboard(), adapter, assetsDir, propertyConfig, isPortrait));
     }
 
     /*@Override
diff --git a/forge-gui-desktop/src/main/java/forge/screens/home/online/VSubmenuOnlineLobby.java b/forge-gui-desktop/src/main/java/forge/screens/home/online/VSubmenuOnlineLobby.java
index 0b9c344906a..10f2b5ea446 100644
--- a/forge-gui-desktop/src/main/java/forge/screens/home/online/VSubmenuOnlineLobby.java
+++ b/forge-gui-desktop/src/main/java/forge/screens/home/online/VSubmenuOnlineLobby.java
@@ -200,4 +200,8 @@ public enum VSubmenuOnlineLobby implements IVSubmenu<CSubmenuOnlineLobby>, IOnli
         }
         return false;
     }
+
+    @Override
+    public void closeConn(String msg) {
+    }
 }
diff --git a/forge-gui-ios/src/forge/ios/Main.java b/forge-gui-ios/src/forge/ios/Main.java
index b22e1923bd0..57fe63bc77c 100644
--- a/forge-gui-ios/src/forge/ios/Main.java
+++ b/forge-gui-ios/src/forge/ios/Main.java
@@ -33,7 +33,7 @@ public class Main extends IOSApplication.Delegate {
         config.useCompass = false;
         ForgePreferences prefs = FModel.getPreferences();
         boolean propertyConfig = prefs != null && prefs.getPrefBoolean(ForgePreferences.FPref.UI_NETPLAY_COMPAT);
-        final ApplicationListener app = Forge.getApp(new IOSClipboard(), new IOSAdapter(), assetsDir, propertyConfig);
+        final ApplicationListener app = Forge.getApp(new IOSClipboard(), new IOSAdapter(), assetsDir, propertyConfig, false);
         final IOSApplication iosApp = new IOSApplication(app, config);
         return iosApp;
     }
diff --git a/forge-gui-mobile-dev/src/forge/app/Main.java b/forge-gui-mobile-dev/src/forge/app/Main.java
index 014bc13f08f..620209f7d74 100644
--- a/forge-gui-mobile-dev/src/forge/app/Main.java
+++ b/forge-gui-mobile-dev/src/forge/app/Main.java
@@ -97,7 +97,7 @@ public class Main {
         ForgePreferences prefs = FModel.getPreferences();
         boolean propertyConfig = prefs != null && prefs.getPrefBoolean(ForgePreferences.FPref.UI_NETPLAY_COMPAT);
         new LwjglApplication(Forge.getApp(new LwjglClipboard(), new DesktopAdapter(switchOrientationFile),
-                desktopMode ? desktopModeAssetsDir : assetsDir, propertyConfig), config);
+                desktopMode ? desktopModeAssetsDir : assetsDir, propertyConfig, false), config);
     }
 
     private static class DesktopAdapter implements IDeviceAdapter {
diff --git a/forge-gui-mobile/src/forge/Forge.java b/forge-gui-mobile/src/forge/Forge.java
index 0102b16c2b3..4cbb9b327db 100644
--- a/forge-gui-mobile/src/forge/Forge.java
+++ b/forge-gui-mobile/src/forge/Forge.java
@@ -69,13 +69,15 @@ public class Forge implements ApplicationListener {
     public static String locale = "en-US";
     public static boolean hdbuttons = false;
     public static boolean hdstart = false;
+    public static boolean isPortraitMode = false;
 
-    public static ApplicationListener getApp(Clipboard clipboard0, IDeviceAdapter deviceAdapter0, String assetDir0, boolean value) {
+    public static ApplicationListener getApp(Clipboard clipboard0, IDeviceAdapter deviceAdapter0, String assetDir0, boolean value, boolean androidOrientation) {
         if (GuiBase.getInterface() == null) {
             clipboard = clipboard0;
             deviceAdapter = deviceAdapter0;
             GuiBase.setInterface(new GuiMobile(assetDir0));
             GuiBase.enablePropertyConfig(value);
+            isPortraitMode = androidOrientation;
         }
         return app;
     }
@@ -373,6 +375,8 @@ public class Forge implements ApplicationListener {
     }
 
     public static boolean isLandscapeMode() {
+        if(GuiBase.isAndroid())
+            return !isPortraitMode;
         return screenWidth > screenHeight;
     }
 
diff --git a/forge-gui-mobile/src/forge/screens/FScreen.java b/forge-gui-mobile/src/forge/screens/FScreen.java
index 163c5276e17..7ceece302c6 100644
--- a/forge-gui-mobile/src/forge/screens/FScreen.java
+++ b/forge-gui-mobile/src/forge/screens/FScreen.java
@@ -8,6 +8,7 @@ import com.badlogic.gdx.utils.Align;
 
 import forge.Forge;
 import forge.Graphics;
+import forge.GuiBase;
 import forge.assets.FImage;
 import forge.assets.FSkinColor;
 import forge.assets.FSkinColor.Colors;
@@ -80,14 +81,12 @@ public abstract class FScreen extends FContainer {
 
     @Override
     protected final void doLayout(float width, float height) {
-        if (width > height) { //handle landscape layout special
-            doLandscapeLayout(width, height);
-        }
-        else if (header != null) {
+        if ((GuiBase.isAndroid() && Forge.isLandscapeMode())||(width > height)) {
+            doLandscapeLayout(width, height); //handle landscape layout special
+        } else if (header != null) {
             header.setBounds(0, 0, width, header.getPreferredHeight());
             doLayout(header.getHeight(), width, height);
-        }
-        else {
+        } else {
             doLayout(0, width, height);
         }
     }
diff --git a/forge-gui-mobile/src/forge/screens/constructed/LobbyScreen.java b/forge-gui-mobile/src/forge/screens/constructed/LobbyScreen.java
index 7ecde4cd371..5d6fd28f4d6 100644
--- a/forge-gui-mobile/src/forge/screens/constructed/LobbyScreen.java
+++ b/forge-gui-mobile/src/forge/screens/constructed/LobbyScreen.java
@@ -11,6 +11,7 @@ import forge.deck.DeckSection;
 import forge.deck.DeckType;
 import forge.deck.FDeckChooser;
 
+import forge.net.server.FServerManager;
 import forge.util.Localizer;
 
 import org.apache.commons.lang3.StringUtils;
@@ -530,6 +531,8 @@ public abstract class LobbyScreen extends LaunchScreen implements ILobbyView {
 
         GuiBase.setNetworkplay(allowNetworking);
 
+        setStartButtonAvailability();
+
         for (int i = 0; i < cbPlayerCount.getSelectedItem(); i++) {
             final boolean hasPanel = i < playerPanels.size();
             if (i < playerCount) {
@@ -731,4 +734,11 @@ public abstract class LobbyScreen extends LaunchScreen implements ILobbyView {
     public FScrollPane getPlayersScroll() {
         return playersScroll;
     }
+
+    public void setStartButtonAvailability() {
+        if (lobby.isAllowNetworking() && FServerManager.getInstance() != null)
+            btnStart.setVisible(FServerManager.getInstance().isHosting());
+        else
+            btnStart.setVisible(true);
+    }
 }
diff --git a/forge-gui-mobile/src/forge/screens/match/MatchController.java b/forge-gui-mobile/src/forge/screens/match/MatchController.java
index 8cc153d9ac4..a438e2510ed 100644
--- a/forge-gui-mobile/src/forge/screens/match/MatchController.java
+++ b/forge-gui-mobile/src/forge/screens/match/MatchController.java
@@ -125,15 +125,12 @@ public class MatchController extends AbstractGuiGame {
 
     @Override
     public void refreshField() {
-        if(!GuiBase.isNetworkplay()) //TODO alternate method for update Netplay...
-            return;
-        if(getGameView() == null)
+        if(!GuiBase.isNetworkplay())
             return;
         if(getGameView().getPhase() == null)
             return;
         if (getGameView().getPhase().phaseforUpdateField())
-            for (final VPlayerPanel pnl : view.getPlayerPanels().values())
-                pnl.getField().update(false);
+            refreshCardDetails(null);
     }
 
     public boolean hotSeatMode() {
diff --git a/forge-gui-mobile/src/forge/screens/match/MatchScreen.java b/forge-gui-mobile/src/forge/screens/match/MatchScreen.java
index d736fdf1011..82479ebb60c 100644
--- a/forge-gui-mobile/src/forge/screens/match/MatchScreen.java
+++ b/forge-gui-mobile/src/forge/screens/match/MatchScreen.java
@@ -565,6 +565,7 @@ public class MatchScreen extends FScreen {
             float x = 0;
             float y;
             float w = getWidth();
+            Color color = Color.CYAN;
 
             //field separator lines
             if (!Forge.isLandscapeMode()) {
@@ -591,17 +592,43 @@ public class MatchScreen extends FScreen {
 
             //Draw Priority Human Multiplayer 2 player
             float oldAlphaComposite = g.getfloatAlphaComposite();
+
+
             if ((getPlayerPanels().keySet().size() == 2) && (countHuman() == 2)){
                 for (VPlayerPanel playerPanel: playerPanelsList){
                     midField = playerPanel.getTop();
                     y = midField - 0.5f;
                     float adjustY = Forge.isLandscapeMode() ? y + 1f : midField;
                     float adjustH = Forge.isLandscapeMode() ? playerPanel.getField().getBottom() - 1f : playerPanel.getBottom() - 1f;
-                    if(playerPanel.getPlayer().getHasPriority() && !playerPanel.getPlayer().isAI())
+
+                    if(playerPanel.getPlayer().getHasPriority())
                         g.setAlphaComposite(0.8f);
                     else
                         g.setAlphaComposite(0f);
-                    g.drawRect(4f, Color.CYAN, playerPanel.getField().getLeft(), adjustY, playerPanel.getField().getWidth(), adjustH);
+
+                    if(MatchController.instance.getGameView()!= null) {
+                        if(MatchController.instance.getGameView().getPhase()!=null)
+                        {
+                            if(MatchController.instance.getGameView().getPhase().isCombatPhase()){
+                                if(playerPanel.getPlayer() == MatchController.instance.getCurrentPlayer())
+                                    g.setAlphaComposite(0.8f);
+                                else
+                                    g.setAlphaComposite(0f);
+                            }
+                        }
+
+
+                        if(MatchController.instance.getGameView().getCombat() != null) {
+                            if(playerPanel.getPlayer() == MatchController.instance.getGameView().getPlayerTurn())
+                                color = Color.RED;
+                            else
+                                color = Color.LIME;
+                        }
+                        else
+                            color = Color.CYAN;
+                    }
+
+                    g.drawRect(4f, color, playerPanel.getField().getLeft(), adjustY, playerPanel.getField().getWidth(), adjustH);
                     g.setAlphaComposite(oldAlphaComposite);
                 }
             }
diff --git a/forge-gui-mobile/src/forge/screens/match/views/VCardDisplayArea.java b/forge-gui-mobile/src/forge/screens/match/views/VCardDisplayArea.java
index 5caf394fdd6..6af3cc4c31f 100644
--- a/forge-gui-mobile/src/forge/screens/match/views/VCardDisplayArea.java
+++ b/forge-gui-mobile/src/forge/screens/match/views/VCardDisplayArea.java
@@ -10,6 +10,7 @@ import com.badlogic.gdx.math.Vector2;
 
 import forge.FThreads;
 import forge.Graphics;
+import forge.GuiBase;
 import forge.card.CardZoom;
 import forge.card.CardRenderer.CardStackPosition;
 import forge.card.CardZoom.ActivateHandler;
@@ -184,7 +185,10 @@ public abstract class VCardDisplayArea extends VDisplayArea implements ActivateH
 
     @Override
     public String getActivateAction(int index) {
-        return MatchController.instance.getGameController().getActivateDescription(orderedCards.get(index));
+        if(!GuiBase.isNetworkplay()) //causes lag on netplay client side
+            return MatchController.instance.getGameController().getActivateDescription(orderedCards.get(index));
+
+        return "Activate | Cast | Play (if allowed)"; //simple text on card zoom swipe up
     }
 
     @Override
diff --git a/forge-gui-mobile/src/forge/screens/match/views/VZoneDisplay.java b/forge-gui-mobile/src/forge/screens/match/views/VZoneDisplay.java
index b3ab177f1b0..1b814d2752f 100644
--- a/forge-gui-mobile/src/forge/screens/match/views/VZoneDisplay.java
+++ b/forge-gui-mobile/src/forge/screens/match/views/VZoneDisplay.java
@@ -66,7 +66,12 @@ public class VZoneDisplay extends VCardDisplayArea {
     }
 
     private void setRevealedPanel(int idx) {
-        revealedPanel = cardPanels.get(idx);
+        try {
+            revealedPanel = cardPanels.get(idx); //??? on network match, triggered by card ability
+        } catch (ArrayIndexOutOfBoundsException e) {
+            e.printStackTrace();
+            return;
+        }
         clearChildren();
         if (Forge.isLandscapeMode()) {
             //for landscape mode, just show revealed card on top
diff --git a/forge-gui-mobile/src/forge/screens/online/OnlineLobbyScreen.java b/forge-gui-mobile/src/forge/screens/online/OnlineLobbyScreen.java
index 048d9e4502d..43639400396 100644
--- a/forge-gui-mobile/src/forge/screens/online/OnlineLobbyScreen.java
+++ b/forge-gui-mobile/src/forge/screens/online/OnlineLobbyScreen.java
@@ -1,7 +1,9 @@
 package forge.screens.online;
 
+import com.google.common.collect.ImmutableList;
 import forge.FThreads;
 import forge.Forge;
+import forge.GuiBase;
 import forge.assets.FSkinProp;
 import forge.interfaces.ILobbyView;
 import forge.match.GameLobby;
@@ -11,6 +13,7 @@ import forge.net.IOnlineLobby;
 import forge.net.NetConnectUtil;
 import forge.net.OfflineLobby;
 import forge.net.client.FGameClient;
+import forge.net.server.FServerManager;
 import forge.properties.ForgeConstants;
 import forge.screens.LoadingOverlay;
 import forge.screens.constructed.LobbyScreen;
@@ -47,6 +50,7 @@ public class OnlineLobbyScreen extends LobbyScreen implements IOnlineLobby {
         fGameClient = null;
     }
 
+    @Override
     public void closeConn(String msg) {
         clearGameLobby();
         Forge.back();
@@ -54,7 +58,15 @@ public class OnlineLobbyScreen extends LobbyScreen implements IOnlineLobby {
             FThreads.invokeInBackgroundThread(new Runnable() {
                 @Override
                 public void run() {
-                    SOptionPane.showMessageDialog(msg, "Error", FSkinProp.ICO_WARNING);
+                    final boolean callBackAlwaysTrue = SOptionPane.showOptionDialog(msg, "Error", FSkinProp.ICO_WARNING, ImmutableList.of("Ok"), 1) == 0;
+                    if (callBackAlwaysTrue) { //to activate online menu popup when player press play online
+                        GuiBase.setInterrupted(false);
+
+                        if(FServerManager.getInstance() != null)
+                            FServerManager.getInstance().stopServer();
+                        if(getfGameClient() != null)
+                            closeClient();
+                    }
                 }
             });
         }
@@ -73,6 +85,10 @@ public class OnlineLobbyScreen extends LobbyScreen implements IOnlineLobby {
 
     @Override
     public void onActivate() {
+        if (GuiBase.isInterrupted()) {
+            GuiBase.setInterrupted(false);
+            return;
+        }
         if (getGameLobby() == null) {
             setGameLobby(getLobby());
             //prompt to connect to server when offline lobby activated
diff --git a/forge-gui/pom.xml b/forge-gui/pom.xml
index c4097dc235d..929a9e2019d 100644
--- a/forge-gui/pom.xml
+++ b/forge-gui/pom.xml
@@ -77,6 +77,11 @@
             <artifactId>slf4j-simple</artifactId>
             <version>1.7.22</version>
         </dependency>
+        <dependency>
+            <groupId>org.lz4</groupId>
+            <artifactId>lz4-java</artifactId>
+            <version>1.7.1</version>
+        </dependency>
     </dependencies>
 
 </project>
diff --git a/forge-gui/src/main/java/forge/GuiBase.java b/forge-gui/src/main/java/forge/GuiBase.java
index 89001f1da97..52d487a467c 100644
--- a/forge-gui/src/main/java/forge/GuiBase.java
+++ b/forge-gui/src/main/java/forge/GuiBase.java
@@ -7,23 +7,20 @@ public class GuiBase {
     private static boolean propertyConfig = true;
     private static boolean networkplay = false;
     private static boolean isAndroidport = false;
+    private static boolean interrupted = false;
+
+    public static IGuiBase getInterface() { return guiInterface; }
+    public static void setInterface(IGuiBase i0) { guiInterface = i0; }
 
-    public static IGuiBase getInterface() {
-        return guiInterface;
-    }
-    public static void setInterface(IGuiBase i0) {
-        guiInterface = i0;
-    }
-    public static void enablePropertyConfig(boolean value) { propertyConfig = value; }
     public static void setIsAndroid(boolean value) { isAndroidport = value; }
     public static boolean isAndroid() { return isAndroidport; }
-    public static boolean isNetworkplay() {
-        return networkplay;
-    }
-    public static void setNetworkplay(boolean value) {
-        networkplay = value;
-    }
-    public static boolean hasPropertyConfig() {
-        return propertyConfig;
-    }
+
+    public static boolean isNetworkplay() { return networkplay; }
+    public static void setNetworkplay(boolean value) { networkplay = value; }
+
+    public static boolean hasPropertyConfig() { return propertyConfig; }
+    public static void enablePropertyConfig(boolean value) { propertyConfig = value; }
+
+    public static void setInterrupted(boolean value) { interrupted = value; }
+    public static boolean isInterrupted() { return interrupted; }
 }
diff --git a/forge-gui/src/main/java/forge/net/CObjectInputStream.java b/forge-gui/src/main/java/forge/net/CObjectInputStream.java
index b6d53c311ad..347879e6570 100644
--- a/forge-gui/src/main/java/forge/net/CObjectInputStream.java
+++ b/forge-gui/src/main/java/forge/net/CObjectInputStream.java
@@ -17,15 +17,9 @@ public class CObjectInputStream extends ObjectInputStream {
         this.classResolver = classResolver;
     }
 
-    protected void readStreamHeader() throws IOException {
-        int version = this.readByte() & 255;
-        if (version != 5) {
-            throw new StreamCorruptedException("Unsupported version: " + version);
-        }
-    }
-
+    @Override
     protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
-        int type = this.read();
+        int type = read();
         if (type < 0) {
             throw new EOFException();
         } else {
@@ -33,8 +27,8 @@ public class CObjectInputStream extends ObjectInputStream {
                 case 0:
                     return super.readClassDescriptor();
                 case 1:
-                    String className = this.readUTF();
-                    Class<?> clazz = this.classResolver.resolve(className);
+                    String className = readUTF();
+                    Class<?> clazz = classResolver.resolve(className);
                     return ObjectStreamClass.lookupAny(clazz);
                 default:
                     throw new StreamCorruptedException("Unexpected class descriptor type: " + type);
@@ -42,14 +36,14 @@ public class CObjectInputStream extends ObjectInputStream {
         }
     }
 
+    @Override
     protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
-        Class clazz;
+        Class<?> clazz;
         try {
-            clazz = this.classResolver.resolve(desc.getName());
-        } catch (ClassNotFoundException var4) {
+            clazz = classResolver.resolve(desc.getName());
+        } catch (ClassNotFoundException ignored) {
             clazz = super.resolveClass(desc);
         }
-
         return clazz;
     }
 }
diff --git a/forge-gui/src/main/java/forge/net/CObjectOutputStream.java b/forge-gui/src/main/java/forge/net/CObjectOutputStream.java
index b086ad87827..e0c408aa923 100644
--- a/forge-gui/src/main/java/forge/net/CObjectOutputStream.java
+++ b/forge-gui/src/main/java/forge/net/CObjectOutputStream.java
@@ -6,26 +6,16 @@ import java.io.ObjectStreamClass;
 import java.io.OutputStream;
 
 public class CObjectOutputStream extends ObjectOutputStream {
-    static final int TYPE_FAT_DESCRIPTOR = 0;
     static final int TYPE_THIN_DESCRIPTOR = 1;
 
     CObjectOutputStream(OutputStream out) throws IOException {
         super(out);
     }
 
-    protected void writeStreamHeader() throws IOException {
-        this.writeByte(5);
-    }
-
+    @Override
     protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
-        Class<?> clazz = desc.forClass();
-        if (!clazz.isPrimitive() && !clazz.isArray() && !clazz.isInterface() && desc.getSerialVersionUID() != 0L) {
-            this.write(1);
-            this.writeUTF(desc.getName());
-        } else {
-            this.write(0);
-            super.writeClassDescriptor(desc);
-        }
-
+        //we only pass this and the decoder will lookup in the stream (faster method both mobile and desktop)
+        write(TYPE_THIN_DESCRIPTOR);
+        writeUTF(desc.getName());
     }
 }
diff --git a/forge-gui/src/main/java/forge/net/CompatibleObjectDecoder.java b/forge-gui/src/main/java/forge/net/CompatibleObjectDecoder.java
index ff836965c88..c288eace00b 100644
--- a/forge-gui/src/main/java/forge/net/CompatibleObjectDecoder.java
+++ b/forge-gui/src/main/java/forge/net/CompatibleObjectDecoder.java
@@ -6,6 +6,7 @@ import io.netty.buffer.ByteBufInputStream;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
 import io.netty.handler.codec.serialization.ClassResolver;
+import net.jpountz.lz4.LZ4BlockInputStream;
 
 import java.io.ObjectInputStream;
 import java.io.StreamCorruptedException;
@@ -22,20 +23,21 @@ public class CompatibleObjectDecoder extends LengthFieldBasedFrameDecoder {
         this.classResolver = classResolver;
     }
 
+    @Override
     protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
         ByteBuf frame = (ByteBuf)super.decode(ctx, in);
         if (frame == null) {
             return null;
         } else {
             ObjectInputStream ois = GuiBase.hasPropertyConfig() ?
-                    new ObjectInputStream(new ByteBufInputStream(frame, true)):
-                    new CObjectInputStream(new ByteBufInputStream(frame, true),this.classResolver);
+                    new ObjectInputStream(new LZ4BlockInputStream(new ByteBufInputStream(frame, true))):
+                    new CObjectInputStream(new LZ4BlockInputStream(new ByteBufInputStream(frame, true)),this.classResolver);
 
             Object var5 = null;
             try {
                 var5 = ois.readObject();
             } catch (StreamCorruptedException e) {
-                e.printStackTrace();
+                System.err.println(String.format("Version Mismatch: %s", e.getMessage()));
             } finally {
                 ois.close();
             }
diff --git a/forge-gui/src/main/java/forge/net/CompatibleObjectEncoder.java b/forge-gui/src/main/java/forge/net/CompatibleObjectEncoder.java
index a1060ed1a30..59709288d41 100644
--- a/forge-gui/src/main/java/forge/net/CompatibleObjectEncoder.java
+++ b/forge-gui/src/main/java/forge/net/CompatibleObjectEncoder.java
@@ -5,6 +5,7 @@ import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufOutputStream;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.MessageToByteEncoder;
+import net.jpountz.lz4.LZ4BlockOutputStream;
 
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
@@ -20,7 +21,7 @@ public class CompatibleObjectEncoder extends MessageToByteEncoder<Serializable>
 
         try {
             bout.write(LENGTH_PLACEHOLDER);
-            oout = GuiBase.hasPropertyConfig() ? new ObjectOutputStream(bout) : new CObjectOutputStream(bout);
+            oout = GuiBase.hasPropertyConfig() ? new ObjectOutputStream(new LZ4BlockOutputStream(bout)) : new CObjectOutputStream(new LZ4BlockOutputStream(bout));
             oout.writeObject(msg);
             oout.flush();
         } finally {
diff --git a/forge-gui/src/main/java/forge/net/IOnlineLobby.java b/forge-gui/src/main/java/forge/net/IOnlineLobby.java
index 29d75d91634..be7a2bcefd9 100644
--- a/forge-gui/src/main/java/forge/net/IOnlineLobby.java
+++ b/forge-gui/src/main/java/forge/net/IOnlineLobby.java
@@ -7,4 +7,5 @@ import forge.net.client.FGameClient;
 public interface IOnlineLobby {
     ILobbyView setLobby(GameLobby lobby);
     void setClient(FGameClient client);
+    void closeConn(String msg);
 }
diff --git a/forge-gui/src/main/java/forge/net/NetConnectUtil.java b/forge-gui/src/main/java/forge/net/NetConnectUtil.java
index 8b9e5fc39db..86d32841074 100644
--- a/forge-gui/src/main/java/forge/net/NetConnectUtil.java
+++ b/forge-gui/src/main/java/forge/net/NetConnectUtil.java
@@ -5,7 +5,6 @@ import forge.properties.ForgeConstants;
 import org.apache.commons.lang3.StringUtils;
 
 import forge.GuiBase;
-import forge.assets.FSkinProp;
 import forge.interfaces.IGuiGame;
 import forge.interfaces.ILobbyListener;
 import forge.interfaces.ILobbyView;
@@ -146,8 +145,8 @@ public class NetConnectUtil {
             }
             @Override
             public final void close() {
-                SOptionPane.showMessageDialog("Your connection to the host (" + url + ") was interrupted.", "Error", FSkinProp.ICO_WARNING);
-                onlineLobby.setClient(null);
+                GuiBase.setInterrupted(true);
+                onlineLobby.closeConn("Your connection to the host (" + url + ") was interrupted.");
             }
             @Override
             public ClientGameLobby getLobby() {
diff --git a/forge-gui/src/main/java/forge/net/ProtocolMethod.java b/forge-gui/src/main/java/forge/net/ProtocolMethod.java
index 8a274e99437..058c6c260fb 100644
--- a/forge-gui/src/main/java/forge/net/ProtocolMethod.java
+++ b/forge-gui/src/main/java/forge/net/ProtocolMethod.java
@@ -1,6 +1,7 @@
 package forge.net;
 
 import com.google.common.base.Function;
+import forge.GuiBase;
 import forge.assets.FSkinProp;
 import forge.deck.CardPool;
 import forge.game.GameEntityView;
@@ -155,28 +156,16 @@ public enum ProtocolMethod {
     }
 
     public void checkArgs(final Object[] args) {
+        if(!GuiBase.hasPropertyConfig())
+            return; //if the experimental network option is enabled, then check the args, else let the default decoder handle it
+
         for (int iArg = 0; iArg < args.length; iArg++) {
             final Object arg = args[iArg];
             final Class<?> type = this.args[iArg];
             if (!ReflectionUtil.isInstance(arg, type)) {
                 //throw new InternalError(String.format("Protocol method %s: illegal argument (%d) of type %s, %s expected", name(), iArg, arg.getClass().getName(), type.getName()));
-                System.err.println(String.format("InternalError: Protocol method %s: illegal argument (%d) of type %s, %s expected (ProtocolMethod.java Line 163)", name(), iArg, arg.getClass().getName(), type.getName()));
+                System.err.println(String.format("InternalError: Protocol method %s: illegal argument (%d) of type %s, %s expected (ProtocolMethod.java)", name(), iArg, arg.getClass().getName(), type.getName()));
             }
-            //this should be handled via decoder or it will process them twice
-            /*if (arg != null) {
-                // attempt to Serialize each argument, this will throw an exception if it can't.
-                try {
-                    byte[] serialized = SerializationUtils.serialize((Serializable) arg);
-                    SerializationUtils.deserialize(serialized);
-                } catch (ArrayIndexOutOfBoundsException ex) {
-                    // not sure why this one would be thrown, but it is
-                    // it also doesn't prevent things from working, so, log for now, pending full network rewrite
-                    ex.printStackTrace();
-                } catch(ConcurrentModificationException ex) {
-                    // can't seem to avoid this from periodically happening
-                    ex.printStackTrace();
-                }
-            }*/
         }
     }
 
@@ -187,7 +176,7 @@ public enum ProtocolMethod {
         }
         if (!ReflectionUtil.isInstance(value, returnType)) {
             //throw new IllegalStateException(String.format("Protocol method %s: illegal return object type %s returned by client, expected %s", name(), value.getClass().getName(), getReturnType().getName()));
-            System.err.println(String.format("IllegalStateException: Protocol method %s: illegal return object type %s returned by client, expected %s  (ProtocolMethod.java Line 190)", name(), value.getClass().getName(), getReturnType().getName()));
+            System.err.println(String.format("IllegalStateException: Protocol method %s: illegal return object type %s returned by client, expected %s  (ProtocolMethod.java)", name(), value.getClass().getName(), getReturnType().getName()));
         }
     }
 }
diff --git a/forge-gui/src/main/java/forge/net/client/NetGameController.java b/forge-gui/src/main/java/forge/net/client/NetGameController.java
index 826f5901161..85fe12feed5 100644
--- a/forge-gui/src/main/java/forge/net/client/NetGameController.java
+++ b/forge-gui/src/main/java/forge/net/client/NetGameController.java
@@ -40,12 +40,12 @@ public class NetGameController implements IGameController {
 
     @Override
     public void selectPlayer(final PlayerView playerView, final ITriggerEvent triggerEvent) {
-        send(ProtocolMethod.selectPlayer, playerView, triggerEvent);
+        send(ProtocolMethod.selectPlayer, playerView, null/*triggerEvent*/); //some platform don't have mousetriggerevent class or it will not allow them to click/tap
     }
 
     @Override
     public boolean selectCard(final CardView cardView, final List<CardView> otherCardViewsToSelect, final ITriggerEvent triggerEvent) {
-        send(ProtocolMethod.selectCard, cardView, otherCardViewsToSelect, triggerEvent);
+        send(ProtocolMethod.selectCard, cardView, otherCardViewsToSelect, null/*triggerEvent*/); //some platform don't have mousetriggerevent class or it will not allow them to click/tap
         // Difference from local games! Always consider a card as successfully selected,
         // to avoid blocks where server and client wait for each other to respond.
         // Some cost in functionality but a huge gain in stability & speed.
diff --git a/forge-gui/src/main/java/forge/net/server/NetGuiGame.java b/forge-gui/src/main/java/forge/net/server/NetGuiGame.java
index 33e6f727b07..c835d079f03 100644
--- a/forge-gui/src/main/java/forge/net/server/NetGuiGame.java
+++ b/forge-gui/src/main/java/forge/net/server/NetGuiGame.java
@@ -41,7 +41,7 @@ public class NetGuiGame extends AbstractGuiGame {
         return sender.sendAndWait(method, args);
     }
 
-    private void updateGameView() {
+    public void updateGameView() {
         send(ProtocolMethod.setGameView, getGameView());
     }
 
@@ -191,7 +191,7 @@ public class NetGuiGame extends AbstractGuiGame {
 
     @Override
     public SpellAbilityView getAbilityToPlay(final CardView hostCard, final List<SpellAbilityView> abilities, final ITriggerEvent triggerEvent) {
-        return sendAndWait(ProtocolMethod.getAbilityToPlay, hostCard, abilities, triggerEvent);
+        return sendAndWait(ProtocolMethod.getAbilityToPlay, hostCard, abilities, null/*triggerEvent*/); //someplatform don't have mousetriggerevent class or it will not allow them to click/tap
     }
 
     @Override