(1) It is a puzzle game in a different form from jigsaw puzzles, as it is a game to match square picture pieces without irregularities on the border.
(2) First, press any square on the left where there are square pieces of picture, release your hand, and then press any square on the right, then the picture on the left will stick to the right. Success when done! A pop-up window appears, and the time taken from selecting a picture to completing the picture is displayed. Set a goal for the elapsed time and try to complete the picture faster! (3) As an option, pressing Picture Piece Rotation increases the level of difficulty of matching pictures.