The 4minute Hidden Catch application is the second one that came out. It comes with HD pictorials and their new hit songs. The game is basically a find the difference game. The rating for this application is a perfect score, 5/5 stars.
The third game they released was the 4minute Slide Puzzle Game. This game comes with 30 HD pictorials and there are Daum Fan Cafe, Facebook, and Twitter interlocks. This makes communicating with other 4minute fans easy. This game is a puzzle type game / jigsaw where you move the puzzle pieces to make the picture. This application also received 5 stars.
Source: 4-minute International Forum