Can I use rubies in other games or applications? 【Updated: November 10, 2021 05:10】 No, you cannot use them in other games, applications, or services.Rubies can only be used in Mario Kart Tour. Related articles Do rubies expire? [iOS]Can I combine my ruby balance with those purchased in Mario Kart Tour on non-iOS devices? [Android]Can I combine my ruby balance with those purchased in Mario Kart Tour on non-Android devices? I accidentally deleted Mario Kart Tour. If I reinstall it, will I lose rubies and other items? [iOS]Support Code: 805-5412 is displayed.