The app can UNLOCK ALL LEVELS in Angry Birds and Angry Birds Seasons without deleting your scores. Furthermore, you have the possibility to backup your progress in both games.
Step by step to unlock :
- install Unlock Angry Birds! on your device
- complete at least the first level of Angry Birds
- now you can back up your progress or unlock all levels
- after installing Angry Birds on another device, you need to complete the first level before restoring.
- restart Angry Birds & have fun!