Rovio's billion dollar success, Angry Birds, shall be making it's debut on Facebook this February the 14th. The Facebook version of the game will be tweaked and varies from the mobile version of the title amalgamating the great social networking features offered by Facebook with the gameplay experience of Angry Birds. The title will also feature a mini store where the users can buy small items to be used in the game, such as stronger birds, new stages, and power ups. Apart from these features a Rovio spokesman also confirmed that the onscreen animations and visuals will be tweaked to best fit full screen viewing on the PC platform.