===================================================================
--- original.js
+++ change.js
@@ -1,49 +1,57 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Assets are automatically created based on usage in the code.
 // Ball class
 var Ball = Container.expand(function () {
-  var self = Container.call(this);
-  // Attach the white ball asset
-  var ballGraphics = self.attachAsset('whiteBall', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  // Initial position of the ball will be set when it's added to the game
-  self.x = 0;
-  self.y = 0;
+	var self = Container.call(this);
+	// Attach the white ball asset
+	var ballGraphics = self.attachAsset('whiteBall', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Initial position of the ball will be set when it's added to the game
+	self.x = 0;
+	self.y = 0;
 });
+var BlackSquare = Container.expand(function () {
+	var self = Container.call(this);
+	var squareGraphics = self.attachAsset('blackSquare', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.x = 0;
+	self.y = 0;
+});
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0xFFE08C // Set background color to yellow-orange
+	backgroundColor: 0xFFE08C // Set background color to yellow-orange
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Create and add the white ball to the game
-var whiteBall = game.addChild(new Ball());
-// Set initial position of the white ball to the center of the screen
-whiteBall.x = 2048 / 2;
-whiteBall.y = 2732 / 2;
+var blackSquare = game.addChild(new BlackSquare());
+blackSquare.x = 2048 / 2;
+blackSquare.y = 2732 / 2;
 // Function to handle drag movement
 function handleDrag(obj) {
-  var event = obj.event;
-  var pos = event.getLocalPosition(game);
-  whiteBall.x = pos.x;
-  whiteBall.y = pos.y;
+	var event = obj.event;
+	var pos = event.getLocalPosition(game);
+	whiteBall.x = pos.x;
+	whiteBall.y = pos.y;
 }
 // Add event listener for drag movement
 game.on('down', function (obj) {
-  handleDrag(obj); // Start dragging on touch down
-  game.on('move', handleDrag); // Continue dragging on move
+	handleDrag(obj); // Start dragging on touch down
+	game.on('move', handleDrag); // Continue dragging on move
 });
 // Stop dragging when the touch ends
 game.on('up', function (obj) {
-  game.off('move', handleDrag); // Remove move listener to stop dragging
+	game.off('move', handleDrag); // Remove move listener to stop dragging
 });
 // No need to handle game tick explicitly as the ball movement is handled via drag events
\ No newline at end of file