PapayaMobile is a social gaming company that has raised $18 million in Series B funding led by Keytone Ventures and DCM. Now PapayaMobile has a total of $22 million in funding. PapayaMobile has over 15 million users on Android and iOS. PapayaMobile has received over 375% growth in their user base since they started the social gaming network in June 2010. Press release is available after the jump: