Angry Birds (video game) mainstream games out right now", "one of the great runaway hits of 2010", and "the largest mobile app success the world has seen so far". In "Angry Birds", the player controls a flock of multi-colored birds that are attempting to retrieve their eggs, which have been stolen by a group of hungry green pigs. In each stage of the gameplay, enemy pigs are sheltered by structures made of various materials such as wood, glass, and stone resembling children's toy building blocks. The objective of the game is to eliminate all the pigs on the level. Using a slingshot, players launch
Angry Birds (video game) device, and Apple's iPhone and iPod Touch mobile digital devices, Rovio has released versions of "Angry Birds" for additional devices. An iPad-exclusive version, "Angry Birds HD", was released with the iPad mobile digital device in April 2010. In August 2010, "Angry Birds" was made available to the Palm Pre phone running Palm's webOS operating system through its App Catalog online store. Symbian^3 phones received a version of the game in October 2010, which initially includes only the "Poached Eggs" and "Mighty Hoax" episodes. Angry Birds works on Kindle Fire and Kindle Fire HD. In May 2010, Rovio announced plans for