===================================================================
--- original.js
+++ change.js
@@ -1,73 +1,79 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Class for obstacles
 var Obstacle = Container.expand(function () {
-  var self = Container.call(this);
-  var obstacleGraphics = self.attachAsset('obstacle', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = -5;
-  self.update = function () {
-    self.x += self.speed;
-    if (self.x < -100) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -5;
+	self.update = function () {
+		self.x += self.speed;
+		if (self.x < -100) {
+			self.destroy();
+		}
+	};
 });
 //<Assets used in the game will automatically appear here>
 //<Write imports for supported plugins here>
 // Class for the player character
 var Player = Container.expand(function () {
-  var self = Container.call(this);
-  var playerGraphics = self.attachAsset('player', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.velocityY = 0;
-  self.gravity = 0.5;
-  self.jumpStrength = -10;
-  self.update = function () {
-    self.velocityY += self.gravity;
-    self.y += self.velocityY;
-    // Prevent player from falling below the ground
-    if (self.y > 2400) {
-      self.y = 2400;
-      self.velocityY = 0;
-    }
-  };
-  self.jump = function () {
-    self.velocityY = self.jumpStrength;
-  };
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocityY = 0;
+	self.gravity = 0.5;
+	self.jumpStrength = -10;
+	self.update = function () {
+		self.velocityY += self.gravity;
+		self.y += self.velocityY;
+		// Prevent player from falling below the ground
+		if (self.y > 2400) {
+			self.y = 2400;
+			self.velocityY = 0;
+		}
+	};
+	self.jump = function () {
+		self.velocityY = self.jumpStrength;
+	};
 });
 // Class for stars
 var Star = Container.expand(function () {
-  var self = Container.call(this);
-  var starGraphics = self.attachAsset('star', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = -5;
-  self.update = function () {
-    self.x += self.speed;
-    if (self.x < -100) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var starGraphics = self.attachAsset('star', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -5;
+	self.update = function () {
+		self.x += self.speed;
+		if (self.x < -100) {
+			self.destroy();
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
+var background = game.addChild(LK.getAsset('background', {
+	anchorX: 0.0,
+	anchorY: 0.0,
+	x: 0,
+	y: 0
+}));
 // Initialize player
 var player = game.addChild(new Player());
 player.x = 200;
 player.y = 2400;
@@ -76,60 +82,60 @@
 var stars = [];
 // Score display
 var score = 0;
 var scoreTxt = new Text2('Score: 0', {
-  size: 100,
-  fill: 0xFFFFFF
+	size: 100,
+	fill: 0xFFFFFF
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Function to spawn obstacles
 function spawnObstacle() {
-  var obstacle = new Obstacle();
-  obstacle.x = 2200;
-  obstacle.y = 2400;
-  obstacles.push(obstacle);
-  game.addChild(obstacle);
+	var obstacle = new Obstacle();
+	obstacle.x = 2200;
+	obstacle.y = 2400;
+	obstacles.push(obstacle);
+	game.addChild(obstacle);
 }
 // Function to spawn stars
 function spawnStar() {
-  var star = new Star();
-  star.x = 2200;
-  star.y = Math.random() * 2000 + 500;
-  stars.push(star);
-  game.addChild(star);
+	var star = new Star();
+	star.x = 2200;
+	star.y = Math.random() * 2000 + 500;
+	stars.push(star);
+	game.addChild(star);
 }
 // Handle game updates
 game.update = function () {
-  player.update();
-  // Update obstacles
-  for (var i = obstacles.length - 1; i >= 0; i--) {
-    var obstacle = obstacles[i];
-    obstacle.update();
-    if (player.intersects(obstacle)) {
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-    }
-  }
-  // Update stars
-  for (var j = stars.length - 1; j >= 0; j--) {
-    var star = stars[j];
-    star.update();
-    if (player.intersects(star)) {
-      score += 10;
-      scoreTxt.setText('Score: ' + score);
-      star.destroy();
-      stars.splice(j, 1);
-    }
-  }
-  // Spawn new obstacles and stars
-  if (LK.ticks % 120 == 0) {
-    spawnObstacle();
-  }
-  if (LK.ticks % 180 == 0) {
-    spawnStar();
-  }
+	player.update();
+	// Update obstacles
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obstacle = obstacles[i];
+		obstacle.update();
+		if (player.intersects(obstacle)) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+		}
+	}
+	// Update stars
+	for (var j = stars.length - 1; j >= 0; j--) {
+		var star = stars[j];
+		star.update();
+		if (player.intersects(star)) {
+			score += 10;
+			scoreTxt.setText('Score: ' + score);
+			star.destroy();
+			stars.splice(j, 1);
+		}
+	}
+	// Spawn new obstacles and stars
+	if (LK.ticks % 120 == 0) {
+		spawnObstacle();
+	}
+	if (LK.ticks % 180 == 0) {
+		spawnStar();
+	}
 };
 // Handle player jump on tap
 game.down = function (x, y, obj) {
-  player.jump();
+	player.jump();
 };
\ No newline at end of file