diff --git a/application/application.android.ts b/application/application.android.ts
index 0a2e56f87..4d225544b 100644
--- a/application/application.android.ts
+++ b/application/application.android.ts
@@ -6,8 +6,12 @@ require("utils/module-merge").merge(appModule, exports);
 
 var callbacks = android.app.Application.ActivityLifecycleCallbacks;
 
+// We are using the exports object for the common events since we merge the appModule with this module's exports, which is what users will receive when require("application") is called;
+// TODO: This is kind of hacky and is "pure JS in TypeScript"
+
 var initEvents = function () {
-    var androidApp = exports.android;
+    var androidApp: AndroidApplication = exports.android;
+    // TODO: Verify whether the logic for triggerring application-wide events based on Activity callbacks is working properly
     var lifecycleCallbacks = new callbacks({
         onActivityCreated: function (activity: any, bundle: any) {
             if (!androidApp.startActivity) {
@@ -24,34 +28,33 @@ var initEvents = function () {
                 androidApp.currentActivity = undefined;
             }
 
-            //if (activity === UI.Application.android.startActivity) {
-            //    UI.Application.android.currentActivity = undefined;
-            //    if (UI.Application.current.onExit) {
-            //        UI.Application.current.onExit();
-            //    }
-            //}
+            if (activity === androidApp.startActivity) {
+                if (exports.onExit) {
+                    exports.onExit();
+                }
+            }
 
             if (androidApp.onActivityDestroyed) {
                 androidApp.onActivityDestroyed(activity);
             }
         },
         onActivityPaused: function (activity: any) {
-            //if (UI.Application.android.currentActivity === activity) {
-            //    if (UI.Application.current.onSuspend) {
-            //        UI.Application.current.onSuspend();
-            //    }
-            //}
+            if (activity === androidApp.currentActivity) {
+                if (exports.onSuspend) {
+                    exports.onSuspend();
+                }
+            }
 
             if (androidApp.onActivityPaused) {
                 androidApp.onActivityPaused(activity);
             }
         },
         onActivityResumed: function (activity: any) {
-            //if (UI.Application.android.currentActivity === activity) {
-            //    if (UI.Application.current.onResume) {
-            //        UI.Application.current.onResume();
-            //    }
-            //}
+            if (activity === androidApp.currentActivity) {
+                if (exports.onResume) {
+                    exports.onResume();
+                }
+            }
 
             if (androidApp.onActivityResumed) {
                 androidApp.onActivityResumed(activity);
@@ -65,12 +68,6 @@ var initEvents = function () {
         onActivityStarted: function (activity: any) {
             androidApp.currentActivity = activity;
 
-            //if (activity === UI.Application.android.startActivity) {
-            //    if (UI.Application.current.onStart) {
-            //        UI.Application.current.onStart();
-            //    }
-            //}
-
             if (androidApp.onActivityStarted) {
                 androidApp.onActivityStarted(activity);
             }
@@ -105,13 +102,13 @@ class AndroidApplication {
     public startActivity: android.app.Activity;
     public packageName: string;
 
-    public onActivityCreated: (activity: android.app.Activity, bundle: android.os.Bundle) => any;
-    public onActivityDestroyed: (activity: android.app.Activity) => any;
-    public onActivityStarted: (activity: android.app.Activity) => any;
-    public onActivityPaused: (activity: android.app.Activity) => any;
-    public onActivityResumed: (activity: android.app.Activity) => any;
-    public onActivityStopped: (activity: android.app.Activity) => any;
-    public onSaveActivityState: (activity: android.app.Activity, bundle: android.os.Bundle) => any;
+    public onActivityCreated: (activity: android.app.Activity, bundle: android.os.Bundle) => void;
+    public onActivityDestroyed: (activity: android.app.Activity) => void;
+    public onActivityStarted: (activity: android.app.Activity) => void;
+    public onActivityPaused: (activity: android.app.Activity) => void;
+    public onActivityResumed: (activity: android.app.Activity) => void;
+    public onActivityStopped: (activity: android.app.Activity) => void;
+    public onSaveActivityState: (activity: android.app.Activity, bundle: android.os.Bundle) => void;
 
     private _eventsToken: any;
 
diff --git a/application/application.ios.ts b/application/application.ios.ts
index daf35df29..ff4254102 100644
--- a/application/application.ios.ts
+++ b/application/application.ios.ts
@@ -44,10 +44,13 @@ class iOSApplication {
     public rootController: any;
 
     constructor(nativeApp: any) {
-        this.nativeApp = nativeApp;
+        // TODO: in iOS there is the singleton instance, while in Android such does not exist hence we pass it as argument
+        // this.nativeApp = nativeApp;
+        this.nativeApp = UIKit.UIApplication.sharedApplication();
     }
 
     public init() {
+        var that = this;
         UIKit.UIResponder.extends({/*TODO: Empty parameter here, needs API improvement*/}, {
             name: "TNSAppDelegate",
         }).implements({
@@ -61,7 +64,9 @@ class iOSApplication {
                         this.window.makeKeyAndVisible();
 
                         if (exports.onLaunch) {
-                            this.window.rootViewController = exports.onLaunch();
+                            that.rootController = exports.onLaunch();
+                            this.window.rootViewController = that.rootController;
+                            
                         } else {
                             log("Missing Application.onLaunch");
                         }