===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,45 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var GameObject = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach a shape asset to the game object
+	var gameObjectGraphics = self.attachAsset('character', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set the initial position of the game object
+	self.x = 1024;
+	self.y = 1366;
+	// This is automatically called every game tick, if the game object is attached!
+	self.update = function () {
+		// Apply a tween animation to the game object
+		tween(self, {
+			x: 500,
+			y: 500
+		}, {
+			duration: 2000,
+			easing: tween.easeInOut
+		});
+	};
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
\ No newline at end of file
+});
+
+/**** 
+* Game Code
+****/ 
+// Add the game object to the game
+var gameObject = game.addChild(new GameObject());
+// Call the update function of the game object
+gameObject.update();
\ No newline at end of file