Mario Kart Tour Hack Unlimited Rubies Nintendo's latest mobile game is available these days on iOS for iPhone, iPad and iPod touch, as well as on Android devices. The overall game, like Nintendo's other mobile releases, is absolve to play, with in-app purchases (in-game currency called “rubies”) that you use for upgrades and unlocks. Players immediately unlock one rider and get a tutorial to start, which introduces them to the Mario Kart Tour driving. Characters automatically drive forward while you drag your finger on the screen left and to turn. Some items (like invincibility stars) are automatically used if you choose them up, others are activated simply by touching the screen. It's nearly the same as how Super Mario Run, Nintendo's first mobile game, was simplified from its console versions.