Angry Birds Rio (Ad-Free) v1.2.1

Angry Birds Rio (Ad-Free) v1.2.1

In Angry Birds Rio, the original Angry Birds are kidnapped and taken to the magical city of Rio de Janeiro, where they eventually escape their captors and set out to save their friends, Blu and Jewel--two rare macaws and the stars of the Fox motion picture, Rio. Angry Birds Rio pairs the physics-based gameplay of the original game with unique twists based on the film. 

Features: 
Three fantastic episodes with 90 exciting levels 
Completely new achievements 
Special hidden fruit trophies to discover 
Spectacular boss fights--the ultimate test of your Angry Birds skills 
Expect plenty more to come: episodic updates continue throughout 2011 

What's new: 
Improved visual effects 

NOTE : 
Try the methods below to avoid prompt "Unauthorized Request" till some coders patch it, or buy the app. 
- For rooted phones: use Titanium Backup Pro to freeze Amazon Appstore 
- For non-rooted phones: uninstall Amazon Appstore