From Rovio Mobile:
What's new in this version:
15 new levels added to Flock Favorites!We've put more POW! in power-ups! Check out the new-and-improved:Birdquake More superb shaking than ever!Slingscope Shows the way to success with perfect precision. Never make an uncertain shot again!Power Potion We've added extra spice to the formula to make the birds unstoppable!Incredible deals are waiting! Update now for the deepest shop savings weve ever offered!