Angry Birds is a popular smartphone app, the app has been downloaded millions times and has at least that much of regular users on smartphone.
This must have motivated the developers to expand their business. Since yesterday this popular app was introduced on facebook. Although there are some minor adjustments made to the app, it is expected to be at least as popular as a Facebook app.
The Facebook version of the app has some details that were not on the smartphone app. They introduced an online ranking system and several power-ups are added.
Angry Birds - The Facebook App 13th february 2012 on facebook!
