===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,367 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+var BeatButton = Container.expand(function (id, label) {
+	var self = Container.call(this);
+	self.id = id;
+	self.isActive = false;
+	var buttonBg = self.attachAsset('beatButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var buttonLabel = new Text2(label, {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	buttonLabel.anchor.set(0.5, 0.5);
+	self.addChild(buttonLabel);
+	self.activate = function () {
+		self.isActive = true;
+		self.removeChild(buttonBg);
+		buttonBg = self.attachAsset('beatButtonActive', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(buttonBg, 0);
+	};
+	self.deactivate = function () {
+		self.isActive = false;
+		self.removeChild(buttonBg);
+		buttonBg = self.attachAsset('beatButton', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(buttonBg, 0);
+	};
+	self.down = function (x, y, obj) {
+		if (!self.isActive) {
+			// Deactivate all other beat buttons
+			for (var i = 0; i < beatButtons.length; i++) {
+				beatButtons[i].deactivate();
+			}
+			self.activate();
+			selectedBeat = self.id;
+			updateLoop();
+		}
+	};
+	return self;
+});
+var EffectButton = Container.expand(function (id, label) {
+	var self = Container.call(this);
+	self.id = id;
+	self.isActive = false;
+	var buttonBg = self.attachAsset('effectButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var buttonLabel = new Text2(label, {
+		size: 35,
+		fill: 0xFFFFFF
+	});
+	buttonLabel.anchor.set(0.5, 0.5);
+	self.addChild(buttonLabel);
+	self.activate = function () {
+		self.isActive = true;
+		self.removeChild(buttonBg);
+		buttonBg = self.attachAsset('effectButtonActive', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(buttonBg, 0);
+	};
+	self.deactivate = function () {
+		self.isActive = false;
+		self.removeChild(buttonBg);
+		buttonBg = self.attachAsset('effectButton', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(buttonBg, 0);
+	};
+	self.down = function (x, y, obj) {
+		if (self.isActive) {
+			self.deactivate();
+			selectedEffect = null;
+		} else {
+			// Deactivate all other effect buttons
+			for (var i = 0; i < effectButtons.length; i++) {
+				effectButtons[i].deactivate();
+			}
+			self.activate();
+			selectedEffect = self.id;
+		}
+		updateLoop();
+	};
+	return self;
+});
+var MelodyButton = Container.expand(function (id, label) {
+	var self = Container.call(this);
+	self.id = id;
+	self.isActive = false;
+	var buttonBg = self.attachAsset('melodyButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var buttonLabel = new Text2(label, {
+		size: 30,
+		fill: 0xFFFFFF
+	});
+	buttonLabel.anchor.set(0.5, 0.5);
+	self.addChild(buttonLabel);
+	self.activate = function () {
+		self.isActive = true;
+		self.removeChild(buttonBg);
+		buttonBg = self.attachAsset('melodyButtonActive', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(buttonBg, 0);
+	};
+	self.deactivate = function () {
+		self.isActive = false;
+		self.removeChild(buttonBg);
+		buttonBg = self.attachAsset('melodyButton', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(buttonBg, 0);
+	};
+	self.down = function (x, y, obj) {
+		if (self.isActive) {
+			self.deactivate();
+			var index = selectedMelodies.indexOf(self.id);
+			if (index > -1) {
+				selectedMelodies.splice(index, 1);
+			}
+		} else {
+			self.activate();
+			selectedMelodies.push(self.id);
+		}
+		updateLoop();
+	};
+	return self;
+});
+var PlayStopButton = Container.expand(function () {
+	var self = Container.call(this);
+	self.isPlaying = false;
+	var buttonBg = self.attachAsset('playButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var playIcon = new Text2('▶', {
+		size: 80,
+		fill: 0xFFFFFF
+	});
+	playIcon.anchor.set(0.5, 0.5);
+	self.addChild(playIcon);
+	self.setPlaying = function (playing) {
+		self.isPlaying = playing;
+		self.removeChild(buttonBg);
+		if (playing) {
+			buttonBg = self.attachAsset('stopButton', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			playIcon.setText('⏹');
+		} else {
+			buttonBg = self.attachAsset('playButton', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			playIcon.setText('▶');
+		}
+		self.addChildAt(buttonBg, 0);
+	};
+	self.down = function (x, y, obj) {
+		if (self.isPlaying) {
+			stopLoop();
+		} else {
+			startLoop();
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2c3e50
+});
+
+/**** 
+* Game Code
+****/ 
+var selectedBeat = null;
+var selectedEffect = null;
+var selectedMelodies = [];
+var isLoopPlaying = false;
+var loopTimer = null;
+var savedLoops = storage.savedLoops || [];
+var beatButtons = [];
+var effectButtons = [];
+var melodyButtons = [];
+var playStopButton;
+var saveButton;
+// Create title
+var titleText = new Text2('Loop Maker', {
+	size: 80,
+	fill: 0xECF0F1
+});
+titleText.anchor.set(0.5, 0);
+titleText.x = 1024;
+titleText.y = 150;
+game.addChild(titleText);
+// Create beat section
+var beatSectionTitle = new Text2('Beats', {
+	size: 50,
+	fill: 0xECF0F1
+});
+beatSectionTitle.anchor.set(0.5, 0);
+beatSectionTitle.x = 1024;
+beatSectionTitle.y = 300;
+game.addChild(beatSectionTitle);
+var beatLabels = ['Kick Drum', 'Snare Beat', 'Hi-Hat', 'Bass Drop', 'Electronic'];
+for (var i = 0; i < 5; i++) {
+	var beatBtn = new BeatButton(i + 1, beatLabels[i]);
+	beatBtn.x = 200 + i % 3 * 400 + (i >= 3 ? 200 : 0);
+	beatBtn.y = 380 + Math.floor(i / 3) * 140;
+	beatButtons.push(beatBtn);
+	game.addChild(beatBtn);
+}
+// Create effect section
+var effectSectionTitle = new Text2('Effects', {
+	size: 50,
+	fill: 0xECF0F1
+});
+effectSectionTitle.anchor.set(0.5, 0);
+effectSectionTitle.x = 1024;
+effectSectionTitle.y = 700;
+game.addChild(effectSectionTitle);
+var effectLabels = ['Reverb', 'Distortion', 'Filter'];
+for (var i = 0; i < 3; i++) {
+	var effectBtn = new EffectButton(i + 1, effectLabels[i]);
+	effectBtn.x = 400 + i * 350;
+	effectBtn.y = 780;
+	effectButtons.push(effectBtn);
+	game.addChild(effectBtn);
+}
+// Create melody section
+var melodySectionTitle = new Text2('Melodies', {
+	size: 50,
+	fill: 0xECF0F1
+});
+melodySectionTitle.anchor.set(0.5, 0);
+melodySectionTitle.x = 1024;
+melodySectionTitle.y = 920;
+game.addChild(melodySectionTitle);
+var melodyLabels = ['Piano', 'Synth', 'Guitar', 'Strings'];
+for (var i = 0; i < 4; i++) {
+	var melodyBtn = new MelodyButton(i + 1, melodyLabels[i]);
+	melodyBtn.x = 300 + i * 350;
+	melodyBtn.y = 1000;
+	melodyButtons.push(melodyBtn);
+	game.addChild(melodyBtn);
+}
+// Create play/stop button
+playStopButton = new PlayStopButton();
+playStopButton.x = 1024;
+playStopButton.y = 1300;
+game.addChild(playStopButton);
+// Create save button
+saveButton = game.addChild(LK.getAsset('saveButton', {
+	anchorX: 0.5,
+	anchorY: 0.5
+}));
+saveButton.x = 1024;
+saveButton.y = 1550;
+var saveButtonText = new Text2('Save Loop', {
+	size: 35,
+	fill: 0xFFFFFF
+});
+saveButtonText.anchor.set(0.5, 0.5);
+saveButton.addChild(saveButtonText);
+saveButton.down = function (x, y, obj) {
+	if (selectedBeat !== null) {
+		var loopData = {
+			beat: selectedBeat,
+			effect: selectedEffect,
+			melodies: selectedMelodies.slice()
+		};
+		savedLoops.push(loopData);
+		storage.savedLoops = savedLoops;
+		// Visual feedback
+		tween(saveButton, {
+			scaleX: 1.1,
+			scaleY: 1.1
+		}, {
+			duration: 100,
+			onFinish: function onFinish() {
+				tween(saveButton, {
+					scaleX: 1,
+					scaleY: 1
+				}, {
+					duration: 100
+				});
+			}
+		});
+		LK.effects.flashObject(saveButton, 0x2ecc71, 500);
+	}
+};
+// Create saved loops display
+var savedLoopsText = new Text2('Saved: ' + savedLoops.length, {
+	size: 40,
+	fill: 0xBDC3C7
+});
+savedLoopsText.anchor.set(0.5, 0);
+savedLoopsText.x = 1024;
+savedLoopsText.y = 1650;
+game.addChild(savedLoopsText);
+function updateLoop() {
+	if (isLoopPlaying) {
+		stopLoop();
+		startLoop();
+	}
+	savedLoopsText.setText('Saved: ' + savedLoops.length);
+}
+function startLoop() {
+	if (selectedBeat === null) return;
+	isLoopPlaying = true;
+	playStopButton.setPlaying(true);
+	playLoop();
+	loopTimer = LK.setInterval(playLoop, 2000); // 2 second loop
+}
+function stopLoop() {
+	isLoopPlaying = false;
+	playStopButton.setPlaying(false);
+	if (loopTimer) {
+		LK.clearInterval(loopTimer);
+		loopTimer = null;
+	}
+}
+function playLoop() {
+	if (selectedBeat !== null) {
+		LK.getSound('beat' + selectedBeat).play();
+	}
+	LK.setTimeout(function () {
+		if (selectedEffect !== null) {
+			LK.getSound('effect' + selectedEffect).play();
+		}
+	}, 200);
+	LK.setTimeout(function () {
+		for (var i = 0; i < selectedMelodies.length; i++) {
+			LK.getSound('melody' + selectedMelodies[i]).play();
+		}
+	}, 400);
+}
+// Auto-select first beat for better UX
+beatButtons[0].down(0, 0, {});
+game.update = function () {
+	// Game loop runs here
+};
\ No newline at end of file