Today Amazon Appstore for Android is giving away Angry Birds Rio for Free (Which will costs 0.99$ other way).
Let the feathered artillery fly! Rescue rare birds from smugglers, then make your escape through the jungle
Recruit a whole flock of unique birds to join the cause, including Blu and Jewel from the movie Rio
Play through 60 Rio-themed levels with a mixture of strategy, skill, and brute force
Find hidden secrets, win trophies, and earn coveted 3-star ratings on each level
More birds and levels are on the way! Expect more characters with unique abilities and more content from Rio
Minimum Operating System: Android 1.6
Read more and get the Free Angry Birds Rio (You need to have an Amazon account and Amazon Appstore installed in your phone too to get this)