===================================================================
--- original.js
+++ change.js
@@ -1,7 +1,12 @@
 /**** 
 * Classes
 ****/
+var LetterF = Container.expand(function () {
+	var self = Container.call(this);
+	var letterGraphics = self.createAsset('letterF', 'Letter F', 0.5, 0);
+	self.visible = false;
+});
 // EndGameItem class
 var EndGameItem = Container.expand(function () {
 	var self = Container.call(this);
 	var endGraphics = self.createAsset('end', 'End game object', 0.5, 1);
@@ -40,22 +45,8 @@
 			self.destroy();
 		}, 500);
 	};
 });
-// FormulaDisplay class
-var FormulaDisplay = Container.expand(function () {
-	var self = Container.call(this);
-	var formulaGraphics = self.createAsset('formula', 'Formula display', 0.5, 0);
-	self.visible = false;
-	self.show = function () {
-		self.visible = true;
-		self.y = 0; // Top of the screen
-		self.x = 2048 / 2; // Centered horizontally
-		LK.setTimeout(function () {
-			self.visible = false;
-		}, 2000); // Visible for 2 seconds
-	};
-});
 // Player class
 var Player = Container.expand(function () {
 	var self = Container.call(this);
 	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
@@ -106,8 +97,17 @@
 			explosion.x = self.x;
 			explosion.y = self.y;
 			game.addChild(explosion);
 			explosion.animate();
+			// Show the letter F at the top of the frame
+			var letterF = new LetterF();
+			letterF.x = 2048 / 2;
+			letterF.y = 0;
+			game.addChild(letterF);
+			letterF.visible = true;
+			LK.setTimeout(function () {
+				letterF.destroy();
+			}, 1000); // Letter F will be visible for 1 second
 			return true;
 		}
 		return false;
 	};
@@ -168,11 +168,8 @@
 // Initialize player2
 var player2 = game.addChild(new Player2());
 player2.x = 2048 / 2;
 player2.y = 2732 - 50; // Positioned at the bottom of the screen, same as player
-// Initialize formula display
-var formulaDisplay = game.addChild(new FormulaDisplay());
-
 // Initialize health meters
 var healthMeters = [];
 for (var i = 0; i < 3; i++) {
 	var healthMeter = game.addChild(new HealthMeter());
@@ -217,12 +214,8 @@
 		// Check if apple is caught by the player or player2 depending on their visibility
 		if (player.visible && apples[i] instanceof Apple && apples[i].isCaught(player) || player2.visible && apples[i] instanceof Apple && apples[i].isCaught(player2)) {
 			// Increase score
 			LK.setScore(LK.getScore() + 1);
-			// Show the formula display on the first red apple caught
-			if (LK.getScore() === 1) {
-				formulaDisplay.show();
-			}
 			// Remove caught apple
 			apples[i].destroy();
 			apples.splice(i, 1);
 		} else if (player.visible && apples[i] instanceof GreenApple && apples[i].isCaught(player) || player2.visible && apples[i] instanceof GreenApple && apples[i].isCaught(player2)) {