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"The latest instalment in the story of Rovio's hit franchise is here. As the company promised early last month, Angry Birds Friends is now available on iOS and Android, offering a Facebook-powered ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2013/05/02/angry-birds-friends-the-social-twist-on-rovios-hit-game-is-out-now-for-android-and-ios/?fromcat=all>