diff --git a/plugins/2019.3497/android/plugin.unityads.v4.jar b/plugins/2019.3497/android/plugin.unityads.v4.jar
index f87e7bb..2d1b92b 100644
Binary files a/plugins/2019.3497/android/plugin.unityads.v4.jar and b/plugins/2019.3497/android/plugin.unityads.v4.jar differ
diff --git a/src/Corona/main.lua b/src/Corona/main.lua
index c52fc2f..77dbe5a 100644
--- a/src/Corona/main.lua
+++ b/src/Corona/main.lua
@@ -165,6 +165,16 @@ local loadRewardedButton = widget.newButton {
     end
 }
 
+local exitButton = widget.newButton {
+    label = "Exit",
+    width = 100,
+    height = 40,
+    labelColor = { default={ 0, 0, 0 }, over={ 0.7, 0.7, 0.7 } },
+    onRelease = function(event)
+        native.requestExit()
+    end
+}
+
 vReady = display.newCircle(10, 10, 6)
 vReady.strokeWidth = 2
 vReady:setStrokeColor(0)
@@ -226,6 +236,11 @@ local layoutDisplayObjects = function(orientation)
 
     loadRewardedButton.x = display.contentCenterX-40
     loadRewardedButton.y = showRewardedButton.y
+
+
+    exitButton.x = display.contentCenterX
+    exitButton.y = showRewardedButton.y+40
+
 end
 
 -- initial layout
diff --git a/src/android/plugin/src/main/java/plugin/unityads/v4/LuaLoader.java b/src/android/plugin/src/main/java/plugin/unityads/v4/LuaLoader.java
index 5d52404..91678a0 100644
--- a/src/android/plugin/src/main/java/plugin/unityads/v4/LuaLoader.java
+++ b/src/android/plugin/src/main/java/plugin/unityads/v4/LuaLoader.java
@@ -209,6 +209,8 @@ public void onExiting(CoronaRuntime runtime) {
         CoronaLua.deleteRef(runtime.getLuaState(), coronaListener);
         coronaListener = CoronaLua.REFNIL;
         coronaRuntimeTaskDispatcher = null;
+        fInitSuccess = false;
+        fInitStarted = false;
 
     }
 
@@ -305,7 +307,6 @@ public int invoke(final LuaState luaState)  {
                     return 0;
                 }
                 fInitStarted = true;
-
                 // set function signature for error / warning messages
                 functionSignature = "unityads.init(listener, options)";