To celebrate St. Patrick’s Day the Angry Birds Season has gone all green and today the iOS and Android app update has gone live, Nokia and Palm coming soon.

We mentioned on March 8th that Angry Birds was going to get an update and now it has, creators Rovio Mobile has now added some St. Patrick’s Day fun into the mix and bringing new hidden surprises and bonus content as well as 15 new levels.

The update is now live on the App Store (iTunes) and is free for all existing Angry Birds Seasons owners; you can also visit the Android Market for the update.

Angry Birds Seasons: Happy St. Patrick’s Day! Oh yes it is going to be fun, get your update now and try and complete those new levels if you can. Please let us know once you have downloaded this new app.

Just so you know Angry Birds is one of the most popular and addictive games ever, it is becoming that big there are Angry Birds games, iPhone cases, iPad cases, cuddly toys and so much more. Rovio also confirms that 20th Century Fox’s Rio the animated movie is arriving in theaters on April 15.

Source — 9to5Mac