Los Angeles- and London-based King.com, the mobile and social games developer, said this week that it has launched a new Android game called Miner Speed. The game is already available on Facebook, King's own game portal, and Apple iOS. The firm also said it has launched a new Facebook game called Mahjong Saga on Facebook this week, and already has more than 100,000 daily active users on the game. Miner Speed for Android is free.