===================================================================
--- original.js
+++ change.js
@@ -1,75 +1,74 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // The assets will be automatically created and loaded by the LK engine.
 // Car class
 var Car = Container.expand(function () {
-  var self = Container.call(this);
-  var carGraphics = self.attachAsset('car', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 5;
-  self.update = function () {
-    self.y += self.speed;
-  };
+	var self = Container.call(this);
+	var carGraphics = self.attachAsset('car', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.self.update = function () {
+		self.y += self.speed;
+	};
 });
 // Obstacle class
 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.y += self.speed;
-  };
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -5;
+	self.update = function () {
+		self.y += self.speed;
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background 
+	backgroundColor: 0x000000 // Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize car and obstacles
 var car = game.addChild(new Car());
 car.x = 2048 / 2;
 car.y = 2732 - 200;
 var obstacles = [];
 for (var i = 0; i < 10; i++) {
-  var obstacle = game.addChild(new Obstacle());
-  obstacle.x = Math.random() * 2048;
-  obstacle.y = Math.random() * 2732;
-  obstacles.push(obstacle);
+	var obstacle = game.addChild(new Obstacle());
+	obstacle.x = Math.random() * 2048;
+	obstacle.y = Math.random() * 2732;
+	obstacles.push(obstacle);
 }
 // Game update function
 game.update = function () {
-  // Check for collisions
-  for (var i = 0; i < obstacles.length; i++) {
-    if (car.intersects(obstacles[i])) {
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-    }
-  }
-  // Move obstacles
-  for (var i = 0; i < obstacles.length; i++) {
-    obstacles[i].y += obstacles[i].speed;
-    if (obstacles[i].y < -50) {
-      obstacles[i].y = 2732;
-      obstacles[i].x = Math.random() * 2048;
-    }
-  }
+	// Check for collisions
+	for (var i = 0; i < obstacles.length; i++) {
+		if (car.intersects(obstacles[i])) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+		}
+	}
+	// Move obstacles
+	for (var i = 0; i < obstacles.length; i++) {
+		obstacles[i].y += obstacles[i].speed;
+		if (obstacles[i].y < -50) {
+			obstacles[i].y = 2732;
+			obstacles[i].x = Math.random() * 2048;
+		}
+	}
 };
 // Handle touch events
 game.down = function (x, y, obj) {
-  car.x = x;
+	car.x = x;
 };
 game.move = function (x, y, obj) {
-  car.x = x;
+	car.x = x;
 };
\ No newline at end of file