A free program for Android, by MondayOFF.
The idea of the game is simple: you will be given a number of objects to put in the right place. Each level will present you with a different set of objects, and you will have to put them in the right place to create a whole. If you complete a level, you will be given a new set of objects to try to complete the level in a different way. You can also restart the level if you are getting tired. The game will also give you hints to help you along the way. The more you play, the more you will be able to complete. The game is perfect for passing the time.
The mechanics of the game are simple and intuitive: you will be given a number of objects to put in the right place. You will have to make sure that the objects are in the right place to create a whole.