Angry Birds is a hit among games currently. In this game you should be using a slingshot firing birds at green pigs. These pigs have in fact stolen the eggs of birds. It sounds very strange, but is very fun and addictive. There are now more than 200 levels available and more levels come through updates.
Angry Birds for Android is available for free. For iPhone and iPad, there is a paid and free version of this popular game. The free version is called Angry Birds Free. Windows Phone has a paid version of Angry Birds.