Angry Birds Christmas edition (Angry Birds Seasons) for Android has been released and is now available as a free download from the Market.

Angry Birds for Android has crossed 7 million downloads, even as Rovio gets ready to release a paid ad-free version.

Rovio is working on a big new project that will be announced on December 11, the Angry Birds day.

A special Christmas edition of Angry Birds for iPhone, iPad and Android will be released on December 11.