A free app for Android, by Next Tech Games Studios – Paint by Numbers Books.

This is a puzzle game that is based on solving jigsaw puzzles. There are a number of categories that you can choose from. Each category contains a number of pictures. You will have to select the correct picture in order to solve the puzzle. If you get stuck, you can use hints. You will have to try and solve each puzzle as fast as you can. There are also different levels of difficulty. It is recommended to start with the easy levels and work your way up. It is also recommended to use the hints if you get stuck.

If you want to have fun and improve your spatial organization ability, you should definitely download this game.