diff --git a/android/build.gradle b/android/build.gradle
index bf4cea18a5..9d6faedd0b 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -21,8 +21,8 @@ android {
         applicationId "com.unciv.app"
         minSdkVersion 14
         targetSdkVersion 29
-        versionCode 340
-        versionName "3.3.7-patch1"
+        versionCode 341
+        versionName "3.3.8"
 
         archivesBaseName = "Unciv"
     }
diff --git a/app.json b/app.json
deleted file mode 100644
index e22b8916e2..0000000000
--- a/app.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "addons": [
-
-  ],
-  "buildpacks": [
-
-  ],
-  "description": "",
-  "env": {
-  },
-  "formation": {
-  },
-  "name": "UnCiv",
-  "scripts": {
-  },
-  "stack": "heroku-18"
-}
diff --git a/core/src/CivCity.gwt.xml b/core/src/CivCity.gwt.xml
deleted file mode 100644
index 6445037674..0000000000
--- a/core/src/CivCity.gwt.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit trunk//EN" "http://google-web-toolkit.googlecode.com/svn/trunk/distro-source/core/src/gwt-module.dtd">
-<module>
-	<source path="com/unciv/game" />
-</module>
\ No newline at end of file
diff --git a/core/src/com/unciv/ui/saves/SaveGameScreen.kt b/core/src/com/unciv/ui/saves/SaveGameScreen.kt
index 84bca42e8b..edc8846df1 100644
--- a/core/src/com/unciv/ui/saves/SaveGameScreen.kt
+++ b/core/src/com/unciv/ui/saves/SaveGameScreen.kt
@@ -12,6 +12,7 @@ import com.unciv.ui.pickerscreens.PickerScreen
 import com.unciv.ui.utils.enable
 import com.unciv.ui.utils.onClick
 import com.unciv.ui.utils.toLabel
+import kotlin.concurrent.thread
 
 
 class SaveGameScreen : PickerScreen() {
@@ -55,8 +56,11 @@ class SaveGameScreen : PickerScreen() {
 
         rightSideButton.setText("Save game".tr())
         rightSideButton.onClick {
-            GameSaver().saveGame(UncivGame.Current.gameInfo, textField.text)
-            UncivGame.Current.setWorldScreen()
+            rightSideButton.setText("Saving...".tr())
+            thread{ 
+                GameSaver().saveGame(UncivGame.Current.gameInfo, textField.text)
+                UncivGame.Current.setWorldScreen()
+            }
         }
         rightSideButton.enable()
     }
diff --git a/core/src/com/unciv/ui/utils/CameraStageBaseScreen.kt b/core/src/com/unciv/ui/utils/CameraStageBaseScreen.kt
index 42f4fc97ab..406d8cc870 100644
--- a/core/src/com/unciv/ui/utils/CameraStageBaseScreen.kt
+++ b/core/src/com/unciv/ui/utils/CameraStageBaseScreen.kt
@@ -13,6 +13,7 @@ import com.badlogic.gdx.scenes.scene2d.utils.ClickListener
 import com.badlogic.gdx.utils.viewport.ExtendViewport
 import com.unciv.UncivGame
 import com.unciv.models.gamebasics.tr
+import kotlin.concurrent.thread
 
 open class CameraStageBaseScreen : Screen {
 
@@ -128,7 +129,7 @@ fun Actor.center(parent:Stage){ centerX(parent); centerY(parent)}
 fun Actor.onClickEvent(sound: String = "click", function: (event: InputEvent?, x: Float, y: Float) -> Unit) {
     this.addListener(object : ClickListener() {
         override fun clicked(event: InputEvent?, x: Float, y: Float) {
-            if (sound != "") Sounds.play(sound)
+            if (sound != "") thread{Sounds.play(sound)}
             function(event, x, y)
         }
     })