Klotski is a puzzle game developed by AlcamaSoft and available for Android devices. The game consists of a sliding puzzle where the player must move the red block to the exit at the bottom of the board. Although the concept of the game may seem simple, it can be quite challenging.

The game offers different levels of difficulty, which range from easy to hard. Players can also try to solve each level in the minimum number of moves, adding an extra layer of challenge to the game. Klotski is a great option for puzzle game lovers who are looking for something challenging and entertaining to play on their mobile devices.