Angry Farm, a game freakishly similar to Angry Birds, has come to BlackBerry. It sports Angry Birds-like slingshot action against opponents protected by fortresses.
It's the closest that BlackBerry fans can currently get to Angry Birds and is available in BlackBerry App World here
An updated version of this app has been released that improves upon the original. And according to CrackBerry.com Rovio is considering releasing a version of Angry Birds that will work on the upcoming BlackBerry PlayBook.