What can I do with rubies? You can get drivers, karts, and gliders from the Spotlight Shop, and play Coin Rush. Related articles Can I receive rubies for free? I accidentally deleted Mario Kart Tour. If I reinstall it, will I lose rubies and other items? [Android]Support Code: 806-5433 is displayed. A communication error disconnected me from a race, causing the gauge for my multiplayer grade to decrease. I accidentally purchased rubies.