/**** 
* Classes
****/
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
	self.speed = 10;
	self.moveLeft = function () {
		if (self.x > self.speed) {
			self.x -= self.speed;
		} else {
			self.x = 0;
		}
	};
	self.moveRight = function () {
		if (self.x < 2048 - playerGraphics.width - self.speed) {
			self.x += self.speed;
		} else {
			self.x = 2048 - playerGraphics.width;
		}
	};
});
// Apple class
var Apple = Container.expand(function () {
	var self = Container.call(this);
	var appleGraphics = self.createAsset('apple', 'Falling apple', 0.5, 0.5);
	self.speed = 3;
	self.move = function () {
		self.y += self.speed;
	};
	self.isCaught = function (player) {
		return self.intersects(player);
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background
});

/**** 
* Game Code
****/
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 50; // Positioned at the bottom of the screen

// Initialize apples array
var apples = [];

// Handle touch movement
function handleTouchMove(obj) {
	var touchPos = obj.event.getLocalPosition(game);
	if (touchPos.x < player.x) {
		player.moveLeft();
	} else if (touchPos.x > player.x) {
		player.moveRight();
	}
}

// Attach touch move event to the game
game.on('move', handleTouchMove);

// Game tick event
LK.on('tick', function () {
	// Move apples
	for (var i = apples.length - 1; i >= 0; i--) {
		apples[i].move();
		// Check if apple is caught by the player
		if (apples[i].isCaught(player)) {
			// Increase score
			LK.setScore(LK.getScore() + 1);
			// Remove caught apple
			apples[i].destroy();
			apples.splice(i, 1);
		} else if (apples[i].y > 2732) {
			// Remove apple if it falls off the screen
			apples[i].destroy();
			apples.splice(i, 1);
		}
	}

	// Spawn apples
	if (LK.ticks % 60 == 0) {
		// Every second
		var newApple = new Apple();
		newApple.x = Math.random() * 2048;
		newApple.y = -50; // Start off-screen
		apples.push(newApple);
		game.addChild(newApple);
	}
});

===================================================================
--- original.js
+++ change.js
@@ -54,12 +54,11 @@
 
 // Handle touch movement
 function handleTouchMove(obj) {
 	var touchPos = obj.event.getLocalPosition(game);
-	var playerCenterX = player.x + player.width / 2;
-	if (touchPos.x < playerCenterX) {
+	if (touchPos.x < player.x) {
 		player.moveLeft();
-	} else if (touchPos.x > playerCenterX) {
+	} else if (touchPos.x > player.x) {
 		player.moveRight();
 	}
 }