Rovio brings Angry Birds Friends to mobile

Angry Birds Friends is different from the other mobile versions in the franchise in how it monetizes and its social hooks. Whereas in the mobile versions a single lifetime purchase of $0.99 unlocks all of the game’s levels and powerups, players of Angry Birds Friends can only purchase a limited number of powerups that range from 20 uses for $1 to 1000 uses for $20.