/**** 
* Classes
****/ 
// Apple class
var Apple = Container.expand(function () {
	var self = Container.call(this);
	var appleGraphics = self.attachAsset('apple', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10;
	self.move = function () {
		self.y += self.speed;
	};
});
// Assets are automatically created based on usage in the code.
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function (x, y) {
		self.x = x;
		self.y = y;
	};
	self.shoot = function () {
		var bullet = new Bullet();
		bullet.x = self.x;
		bullet.y = self.y - 50; // Shoot from above the player
		game.addChild(bullet);
		bullets.push(bullet);
	};
});

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

/**** 
* Game Code
****/ 
var player = game.addChild(new Player());
player.x = 1024; // Center horizontally
player.y = 2500; // Position towards the bottom
var bullets = [];
var apples = [];
// Touch event to move player and shoot
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	player.move(pos.x, pos.y);
	player.shoot();
});
// Game tick event
LK.on('tick', function () {
	// Spawn apples
	if (LK.ticks % 60 == 0) {
		// Every second
		var apple = new Apple();
		apple.x = Math.random() * 2048; // Random horizontal position
		apple.y = 0; // Spawn at the top of the screen
		game.addChild(apple);
		apples.push(apple);
	}
	// Move bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].move();
		if (bullets[i].y < 0) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		}
	}
	// Move apples
	for (var i = apples.length - 1; i >= 0; i--) {
		apples[i].move();
		if (apples[i].y > 2732) {
			// If apple has reached the bottom of the screen
			apples[i].destroy();
			apples.splice(i, 1);
		}
	}
});

===================================================================
--- original.js
+++ change.js
@@ -1,7 +1,19 @@
 /**** 
 * Classes
 ****/ 
+// Apple class
+var Apple = Container.expand(function () {
+	var self = Container.call(this);
+	var appleGraphics = self.attachAsset('apple', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 5;
+	self.move = function () {
+		self.y += self.speed;
+	};
+});
 // Bullet class
 var Bullet = Container.expand(function () {
 	var self = Container.call(this);
 	var bulletGraphics = self.attachAsset('bullet', {
@@ -47,21 +59,40 @@
 var player = game.addChild(new Player());
 player.x = 1024; // Center horizontally
 player.y = 2500; // Position towards the bottom
 var bullets = [];
+var apples = [];
 // Touch event to move player and shoot
 game.on('down', function (obj) {
 	var pos = obj.event.getLocalPosition(game);
 	player.move(pos.x, pos.y);
 	player.shoot();
 });
 // Game tick event
 LK.on('tick', function () {
+	// Spawn apples
+	if (LK.ticks % 60 == 0) {
+		// Every second
+		var apple = new Apple();
+		apple.x = Math.random() * 2048; // Random horizontal position
+		apple.y = 0; // Spawn at the top of the screen
+		game.addChild(apple);
+		apples.push(apple);
+	}
 	// Move bullets
 	for (var i = bullets.length - 1; i >= 0; i--) {
 		bullets[i].move();
 		if (bullets[i].y < 0) {
 			bullets[i].destroy();
 			bullets.splice(i, 1);
 		}
 	}
+	// Move apples
+	for (var i = apples.length - 1; i >= 0; i--) {
+		apples[i].move();
+		if (apples[i].y > 2732) {
+			// If apple has reached the bottom of the screen
+			apples[i].destroy();
+			apples.splice(i, 1);
+		}
+	}
 });
\ No newline at end of file