A free app for Android, by XDEV.

The Block Puzzle: Brain Training Game is a puzzle game where the goal is to drag and drop blocks in order to clear the board and move forward. Your aim is to clear the board by destroying all the lines. In order to do that, you need to find a way to place blocks that will clear the board.

The best thing about this game is that it is very easy to play and can be done in a few minutes. You don’t need to have any skills or abilities to play it. The only thing you need is your mind and the ability to drag and drop blocks.