Angry Birds Friends released

Rovio has released Angry Birds Friends for android and iOS.

Main features:

Tournaments with new levels every week.
Challenge your Facebook friends for bronze, silver, and gold trophies.
Brag, send gifts, and invite your Facebook friends to play.
Four classic power-ups, plus one exclusive to Angry Birds Friends on mobile.
Daily rewards.
Free bird-coins just for completing the tutorial.
Syncs automatically with your game on Facebook.

Facebook app page

Download Angry Birds Friends from google play store