Rovio has sold 2 million sets of "Angry Birds" doll

BEIJING, March 1 (Reuters)-Rivio has sold more than 2 million sets of "Angry Birds" series, according to foreign media reports, Peter Wistbacka Peter Vesterbacka, the Rivio CEO of Angry Birds, said in a Monday game developer conference in San Francisco. Vesterbacka says this is only the beginning, Rovio plans to extend the "Angry Birds" franchise to other types of products.　　At present, "angry Bird" total number of downloads has exceeded 50 million times, the game has been the best-selling iphone applications. Vesterbacka said Rovio also gained a lot of revenue by selling game-built add-on components (ONS). Vesterbacka said more than 40% new "Angry Birds" gamers have downloaded the 0.99 dollar "Condor" (Mighty Eagle).　　In addition, the free version of the Android "Angry Birds" monthly advertising revenue has exceeded 1 million U.S. dollars. Vesterbacka also stressed the importance of perseverance. Rovio has developed 51 games for various mobile platforms before developing Angry Birds and succeeding. (Edit/Xu Mingming)