Of course, this doesn't mark Blizzard Entertainment's first foray into the mobile space. In 2014, for instance, the developer and publisher hit pay dirt upon rolling out free-to-play collectible card game Hearthstone , which further expanded the magical world of Warcraft on PC, Mac, Android, and iOS platforms. And Diablo Immortal serves as the company's next major release, since the free-to-play action RPG will land on mobile devices and PC this coming J With that said, it doesn't seem like the ...