Supercell, maker of the insanely popular Clash of Clans and Hay Day, is aiming for a third gargantuan mobile-gaming hit with Boom Beach. The free-to-play title has been out for less than a month, and it has climbed to No. 2 on the iOS free-apps rankings. The game should be a good test of whether Helsinki, Finland-based Supercell, which had $892 mil…Read More