Rovio released an update for Android is out today:
Version 1.2.1
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THE EPIC UPDATE YOU’VE BEEN WAITING FOR:
– Player vs. Player Arena! Battle other teams and defeat their banners!
– Customize your team banner with powerful parts!
– Win in the weekly leagues for epic rewards!
– Climb the ladder in the Arena Leagues – can you make it to the Diamond tier?
– Plus, look out for an upcoming special holiday event!
This seems exciting :-)