Rovio teases Angry Birds Stella, releasing September 4

A die hard fan of Angry Bird always wanted a new version that would bring some additional features to the game. Your wait is almost over. Rovio has released a new trailer of upcoming Angry Birds Stella, promising some great new additions to the previous version. Previously, we also got also heard that there developers are indeed working on Angry Birds Transformers, but Angry Bird Stella would be the first one to come out on September 4. So, hold your breath and watch this new trailer: