Wikipedia
Playphone
Playphone is a mobile social gaming network founded in 2003. Playphone’s custom gaming solution powers app stores for leading worldwide carriers ( Verizon, Claro Brazil). Preloaded on Android smartphones, Playphone’s gaming network offers mobile gamers a new on-device destination to discover and play their favorite games with friends. Playphone is based in Silicon Valley, California with offices in San Jose, California; Brooklin, Sao Paulo; Beijing, China; and United Kingdom.