A free program for Android, by Gamincat

ZEN – Block Puzzle is an addictive puzzle game for Android designed for all ages. It features simple and easy-to-understand gameplay. You just need to drag the blocks and fit them in the frames. However, be mindful that blocks cannot be rotated. There are no time limits so you can enjoy for as long as you wish! 

ZEN – Block Puzzle comes with beautiful graphics, intuitive controls, amazing gameplay, and a user-friendly interface. These features make the game easier and more enjoyable.

The best thing about this game is that it works offline. It means that you can play it anytime, anywhere you want!