===================================================================
--- original.js
+++ change.js
@@ -1,7 +1,21 @@
 /**** 
 * Classes
 ****/ 
+var Selector = Container.expand(function () {
+	var self = Container.call(this);
+	var selectorGraphics = self.attachAsset('selector', {
+		anchorX: 0,
+		anchorY: 0
+	});
+	self.init = function (index) {
+		var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
+		self.width = game.width / (currentPalette.length - 1) / 2;
+		self.height = self.width / 2;
+		self.x = self.width / 2 + index * self.width * 2;
+		self.y = game.height - self.height - 220;
+	};
+});
 // Square class
 var Square = Container.expand(function () {
 	var self = Container.call(this);
 	var squareGraphics = self.attachAsset('square', {
@@ -39,8 +53,9 @@
 		self.x = (Math.random() - 0.5) * game.width * 2;
 		self.y = (Math.random() - 0.5) * game.height * 2;
 		self.vx = (self.x - centerX) / self.z;
 		self.vy = (self.y - centerY) / self.z;
+		starGraphics.tint = currentPalette[Math.floor(Math.random() * (currentPalette.length - 1))];
 	};
 	self.init();
 	// Calculate velocity based on z position to simulate speed increase as stars move closer
 	// Initialize velocities considering the deltaTime for consistent movement across different frame rates
@@ -91,8 +106,15 @@
 		//scale = Math.max(self.z / 10000, 1);
 		self.scale.x = scale;
 		self.scale.y = scale;
 	};
+	self.on('down', function (obj) {
+		if (this.starGraphics && this.starGraphics.tint == currentPalette[currentRightColor]) {
+			console.log('right');
+		} else {
+			console.log('wrong');
+		}
+	});
 });
 
 /**** 
 * Initialize Game
@@ -177,9 +199,9 @@
 	var pos = obj.event.getLocalPosition(game);
 	targetX = pos.x;
 	targetY = pos.y;
 	tweenProgress = 0;
-	currentPalette = galacticGreen;
+	//currentPalette = galacticGreen;
 });
 LK.on('tick', function () {
 	if (tweenProgress < tweenDuration) {
 		centerX += (targetX - centerX) / (tweenDuration - tweenProgress);
@@ -200,8 +222,12 @@
 	square.init(j);
 	squares.push(square);
 	game.addChild(square);
 }
+var selector = new Selector();
+selector.init(0);
+game.addChild(selector);
+var currentRightColor = 0;
 var score = 0;
 // Score display
 var scoreTxt = new Text2('0', {
 	size: 100,