・As the stage progresses, the room may change little by little. If you can't figure it out, there is also an answer 

・Tap and swipe... there are various gimmicks 

・You can play all stages for free

・Double-tap an item in the item box to enlarge the item 

・Select the menu button on the screen to return to the home or start from where you left off 

・Tap the enlarged item to get more hints Depending on the problem, various gimmicks may appear when the item is uploaded, so let's investigate thoroughly