One of the puzzle video games developed by Ravio mobile (Finland) is the Angry Birds. In December 2009 it was its 1^st released for Apple iphone OS which is a mobile operating system. Almost 12 million copies of Angry Birds has been purchased from Apple application store all over the world, and because of its in demand usage the company decides to create versions for Android operating system like touch screen based smart phones.

In the game Angry birds, the players will use a slingshots to launch birds at pigs placed in several structures that its intention or mission it destroy all the pigs present in the playfield. As the play further new angry birds will appear and the players will need special abilities to activate it. The Rovio mobile has provided many free updates about the game and its content angry birds become popular and addictive game play in the world, because it is now only comical style but also have very low price. The game Angry birds has been known as the successful largest mobile application success in the world that has seen so far.

The one of the great runaway hits of the 2010, and most mainstream games my all teenager and young ones. By collecting the Angry Birds Stars, you should know first how to control the flock of multi-colored Angry Birds who attempts to retrieve their eggs which have been stolen by the green pigs. On every level, the green evil pigs have shelters structures with ice or word. The players will use slingshots to launch the birds or can hit the pigs to destroy their shelter which can cause the green evil pigs to collapse and he filled. There are certain objects such as rocks and explosive crates present the levels that will make it hard for the birds to destroy and reach the pigs. There are different birds used in the game, the basic one available is the Red Bird. After stepping to higher level, additional type of birds will appear to be more effective and special abilities from the birds to be able to defeat the green evil pigs. Upon completion of each level in the game, you need as many angry birds stars you can get to level up. By using lesser shots and pointing it to the weak points of the pigs shelter structure, it will brings you more angry birds stars. In the 63 levels of the game, you will receive 1, 2, 3 angry birds stars on the level.