This is a spatial puzzle where you drag pieces (irregular polygons) of a picture to their correct positions, with the goal to build the whole picture. Over 70 pictures of nice-looking girls of different races in the app, and hundreds of levels to solve.
Geometry puzzles and logic games are useful to train your intelligence and get higher IQ. Make sure to try out the more difficult levels!
The game is free and also works offline (no wifi or internet needed).