Back in May, Rovio announced a new "Rovio Account" feature that would allow users to sync their progress on games such as Angry Birds across devices. At the time, the feature launched with limited availability, arriving worldwide for The Croods and only in Finland and Poland on the original Angry Birds game. Rovio today announced that the new Accounts feature is now available worldwide on the original Angry Birds across iOS and Android devices, although it is yet to come to the other games in the Angry Birds family.We know that you've all been waiting for a way to sy