Rovio Account

The Rovio Account is/was a feature in Angry Birds, Angry Birds Go!, Angry Birds Star Wars II and Angry Birds Epic which were released in the 3.2.0 update for Angry Birds, At launch for Angry Birds Go! and Angry Birds Epic, and in the Carbonite Pack update for Angry Birds Star Wars II. It allows you to sync data between devices. When you press on the account button, In Angry Birds, it allows you to see how much points, stars and feathers you have got. In Angry Birds Star Wars II, it allows you to see how much points and characters you have on the Bird Side and Pork Side. In Angry Birds Go! and Angry Birds Epic, the only button that appears other than the X button is sign-out. Creation of Rovio Accounts were discontinued in May 2018. It's however still possible to create them by using game versions released prior to May 2018. Before the website was rebranded in April 2016, you needed a Rovio Account to comment on blog posts on the Angry Birds website.

Links
The Rovio Account Website