Angry Birds is a phenomenal game in mobile devices like iPhone, iPad, and Android phones, a simple game with simple rules as well. But the challenges given by the Angry Birds are very attractive. This game has a story of the struggle against the pigs who steal the eggs of birds. And the challenge is, the birds must be thrown by a slingshot to destroy the pigs. Very exciting!. Angry Birds have 5 characters of different birds, each bird species has a special ability to destroy the pigs.