===================================================================
--- original.js
+++ change.js
@@ -1,5 +1,10 @@
 /**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
 * Classes
 ****/ 
 var GridCell = Container.expand(function () {
 	var self = Container.call(this);
@@ -10,8 +15,10 @@
 	});
 	// Initialize properties
 	self.value = 0;
 	self.sprite = null;
+	self.row = -1; // Initialize row property
+	self.col = -1; // Initialize col property
 	// Method to set value and corresponding sprite
 	self.setValue = function (newValue) {
 		self.value = newValue;
 		// Remove previous sprite if exists
@@ -25,8 +32,11 @@
 			anchorY: 0.5
 		});
 		self.addChild(self.sprite);
 	};
+	self.down = function (x, y, obj) {
+		handleCellTap(self);
+	};
 	return self;
 });
 
 /**** 
@@ -40,8 +50,63 @@
 /**** 
 * Game Code
 ****/ 
 // Grid configuration
+var selectedCell = null;
+function handleCellTap(tappedCell) {
+	if (selectedCell === null) {
+		selectedCell = tappedCell;
+		LK.effects.flashObject(selectedCell.sprite, 0xFFFF00, 150); // Flash yellow quickly
+	} else {
+		var cell1 = selectedCell;
+		var cell2 = tappedCell;
+		if (cell1 === cell2) {
+			// Tapped the same selected cell again
+			selectedCell = null; // Deselect
+		} else {
+			// Check for adjacency (vertical or horizontal)
+			var isAdjacent = Math.abs(cell1.row - cell2.row) === 1 && cell1.col === cell2.col || Math.abs(cell1.col - cell2.col) === 1 && cell1.row === cell2.row;
+			if (isAdjacent) {
+				// Store original positions for animation
+				var pos1_x = cell1.x;
+				var pos1_y = cell1.y;
+				var pos2_x = cell2.x;
+				var pos2_y = cell2.y;
+				// Store original grid indices
+				var row1 = cell1.row;
+				var col1 = cell1.col;
+				var row2 = cell2.row;
+				var col2 = cell2.col;
+				// Swap cells in the gridCells array
+				gridCells[row1][col1] = cell2;
+				gridCells[row2][col2] = cell1;
+				// Swap row/col properties on the cell objects
+				cell1.row = row2;
+				cell1.col = col2;
+				cell2.row = row1;
+				cell2.col = col1;
+				// Animate the visual swap of positions
+				tween(cell1, {
+					x: pos2_x,
+					y: pos2_y
+				}, {
+					duration: 300
+				});
+				tween(cell2, {
+					x: pos1_x,
+					y: pos1_y
+				}, {
+					duration: 300
+				});
+				selectedCell = null; // Reset selection after swap
+			} else {
+				// Tapped a non-adjacent cell. Treat this as a new selection.
+				selectedCell = tappedCell;
+				LK.effects.flashObject(selectedCell.sprite, 0xFFFF00, 150); // Flash the new selection
+			}
+		}
+	}
+}
 var gridSize = 9;
 var cellSpacing = 10;
 var cellSize = 160; // Width/height of the cell background
 var gridCells = [];
@@ -53,23 +118,8 @@
 var startY = (2732 - totalGridHeight) / 2 + cellSize / 2;
 // Create grid container
 var gridContainer = new Container();
 game.addChild(gridContainer);
-// Track first selected cell
-var firstSelected = null;
-// Function to check if cells are adjacent
-function areAdjacent(cell1Row, cell1Col, cell2Row, cell2Col) {
-	// Check if cells are horizontally or vertically adjacent
-	return Math.abs(cell1Row - cell2Row) === 1 && cell1Col === cell2Col || Math.abs(cell1Col - cell2Col) === 1 && cell1Row === cell2Row;
-}
-// Function to swap cells
-function swapCells(row1, col1, row2, col2) {
-	// Store current values
-	var temp = gridCells[row1][col1].value;
-	// Swap values
-	gridCells[row1][col1].setValue(gridCells[row2][col2].value);
-	gridCells[row2][col2].setValue(temp);
-}
 // Create grid cells
 for (var row = 0; row < gridSize; row++) {
 	gridCells[row] = [];
 	for (var col = 0; col < gridSize; col++) {
@@ -77,30 +127,14 @@
 		var cell = new GridCell();
 		// Position cell
 		cell.x = startX + col * (cellSize + cellSpacing);
 		cell.y = startY + row * (cellSize + cellSpacing);
+		// Assign row and column to the cell
+		cell.row = row;
+		cell.col = col;
 		// Generate random value between 1 and 5
 		var randomValue = Math.floor(Math.random() * 5) + 1;
 		cell.setValue(randomValue);
-		// Store row and column for easy access
-		cell.row = row;
-		cell.col = col;
-		// Add tap event handler
-		cell.down = function (x, y, obj) {
-			var currentCell = obj;
-			if (firstSelected === null) {
-				// First cell selected
-				firstSelected = currentCell;
-			} else if (firstSelected !== currentCell) {
-				// Second cell selected
-				if (areAdjacent(firstSelected.row, firstSelected.col, currentCell.row, currentCell.col)) {
-					// Swap cells
-					swapCells(firstSelected.row, firstSelected.col, currentCell.row, currentCell.col);
-				}
-				// Reset selection
-				firstSelected = null;
-			}
-		};
 		// Add to grid container and store reference
 		gridContainer.addChild(cell);
 		gridCells[row][col] = cell;
 	}