Successful on other mobile platform ;), brain-twisting guessing game is available for iPad (and iPhone, too)!
Enjoy 25 riddles, which - hopefully - will bring you some frustration before, but great satisfaction after solving them!
Riddle That is available in English, Polish, German and French.
Look for it in AppStore!
Have lot of fun, and please post a feedback (here, or in AppStore) - I'm very curious if you like it!