My Tangram app for iPhone and iPad
This is one of the most popular dissection puzzles in the world.My Tangram is an attractive puzzle game which contains two modes: Challenge Mode and Free Mode. You can train your brain in the former and relax yourself in the latter. You can kill time with this Chinese traditional toy.
The tangram (Chinese: 七巧板, literally "seven boards of skill") is a dissection puzzle consisting of seven flat shapes, called tans, which are put together to form shapes. It was originally invented in China at some unknown point in history, and then carried over to Europe by trading ships in the early 19th century.