[Srdjan Cupac]

Is there some way to backup angry birds progress? Resent i have to hard reset my phone and now i lost all of my progress, and have to play all over again.

[Muessig]

Unfortunately there is not currently a way for a game to store progress on your phone or to back up into the cloud unless the makers of the game have provided for cloud storage - this is something you need to ask Rovio, the makers of Angry Birds.