Nibblers is a game from ROVIO i.e. the creators of Angry Birds.
Its a matching game.
Nibblers is super simple to learn! Just match three similar fruits and you’re nibbling! 

This is a wierd but addictive game in which you have to play thrilling and challenging mini games to accomplish missions and unlock special keys that you can use to unlock items of the world famous Toilet Museum. Amazing treasures such as the Robin Hood’s Potty and the Time Machine Toilet are waiting to be revealed.