/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
// HelloCircle: The main "Hello" display.
var HelloCircle = Container.expand(function () {
	var self = Container.call(this);
	var circle = self.attachAsset('helloCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.circle = circle;
	// "Hello" text
	var helloText = new Text2('Hello!', {
		size: 200,
		fill: 0xFFFFFF
	});
	helloText.anchor.set(0.5, 0.5);
	helloText.x = 0;
	helloText.y = 0;
	self.addChild(helloText);
	return self;
});
// TapEffect: A quick expanding/fading effect when the user taps.
var TapEffect = Container.expand(function () {
	var self = Container.call(this);
	var effect = self.attachAsset('tapEffect', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	self.effect = effect;
	// Animate: expand and fade out, then destroy self
	self.play = function () {
		self.scaleX = 0.5;
		self.scaleY = 0.5;
		self.alpha = 0.7;
		tween(self, {
			scaleX: 2,
			scaleY: 2,
			alpha: 0
		}, {
			duration: 400,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222244
});

/**** 
* Game Code
****/ 
// Center coordinates
// No custom assets needed for this simple game. We'll use a friendly colored ellipse for the "Hello" and a box for the tap effect.
// We'll use tween for the animation.
var centerX = 2048 / 2;
var centerY = 2732 / 2;
// Add the HelloCircle to the center
var helloCircle = new HelloCircle();
helloCircle.x = centerX;
helloCircle.y = centerY;
game.addChild(helloCircle);
// "Tap to Start" text
var tapText = new Text2('Tap anywhere to start', {
	size: 100,
	fill: 0xFFFDE7
});
tapText.anchor.set(0.5, 0);
LK.gui.bottom.addChild(tapText);
// State: has the game started?
var started = false;
// Score variable and score text
var score = 0;
var scoreText = new Text2('Score: 0', {
	size: 100,
	fill: 0xffffff
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Handle tap (down) anywhere on the game
game.down = function (x, y, obj) {
	// Increase score on every tap
	score += 1;
	scoreText.setText('Score: ' + score);
	if (!started) {
		started = true;
		// Animate the helloCircle: scale up and fade out
		tween(helloCircle, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0
		}, {
			duration: 600,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				helloCircle.destroy();
			}
		});
		// Animate the tapText: fade out and move down
		tween(tapText, {
			y: tapText.y + 100,
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tapText.destroy();
			}
		});
	}
	// Show tap effect at tap location (in game coordinates)
	var effect = new TapEffect();
	effect.x = x;
	effect.y = y;
	game.addChild(effect);
	effect.play();
};
// No need for update or other handlers for this simple demo.

===================================================================
--- original.js
+++ change.js
@@ -63,11 +63,11 @@
 
 /**** 
 * Game Code
 ****/ 
-// We'll use tween for the animation.
-// No custom assets needed for this simple game. We'll use a friendly colored ellipse for the "Hello" and a box for the tap effect.
 // Center coordinates
+// No custom assets needed for this simple game. We'll use a friendly colored ellipse for the "Hello" and a box for the tap effect.
+// We'll use tween for the animation.
 var centerX = 2048 / 2;
 var centerY = 2732 / 2;
 // Add the HelloCircle to the center
 var helloCircle = new HelloCircle();
@@ -82,10 +82,21 @@
 tapText.anchor.set(0.5, 0);
 LK.gui.bottom.addChild(tapText);
 // State: has the game started?
 var started = false;
+// Score variable and score text
+var score = 0;
+var scoreText = new Text2('Score: 0', {
+	size: 100,
+	fill: 0xffffff
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
 // Handle tap (down) anywhere on the game
 game.down = function (x, y, obj) {
+	// Increase score on every tap
+	score += 1;
+	scoreText.setText('Score: ' + score);
 	if (!started) {
 		started = true;
 		// Animate the helloCircle: scale up and fade out
 		tween(helloCircle, {