Add: RoundRectButton icon

src/game/menu/menu_app.js

@@ -3,16 +3,25 @@
 
 let MenuApp = {
 
+	preload: function() {
+		game.load.image('icon_fullscreen', '../../../resources/image/icon/fullscreen_white.png');
+	},
+
 	create: function() {
 		this.game.stage.backgroundColor = '#4d4d4d';
 
 		let backButton = new BackButton( () => {
+			sessionStorage.removeItem("playerName");
+			sessionStorage.removeItem("playerUserID");
+
 			location.href = '../../web/client/login.html';
 		});
 
+		let fullscreenButton = new FullscreenButton(this.game);
+
 		let screenBottom = new ScreenBottom(game);
 		screenBottom.makeBottomLine();
-		screenBottom.printBottomLeftText("게임 진행 정보");
+		// screenBottom.printBottomLeftText("게임 진행 정보");
 		screenBottom.printBottomCenterText("메뉴");
 		screenBottom.printBottomRightText(playerName);