‘Adventure Time’ role-playing battles come to your smartphone

There are more than a few Adventure Time mobile games out there, but deep games? Not as many. However, YesGnome and Cartoon Network want to improve this state of affairs. They’ve just launched Champions and Challengers, a tactical game for Android and iOS that has you gathering and outfitting a team from over 70 heroes (including Finn, Jake, Fionna, Cake …