What could it be?

Nintendo has revived Mario Kart 8 Deluxe, but that doesn’t necessarily mean it’s done with the mobile game Mario Kart Tour. In fact, this other entry in the series is still getting regular content updates, and some of the tracks have even carried across to the Switch version’s DLC.

Read the full article on nintendolife.com

Original source: https://www.nintendolife.com/news/2022/04/nintendo-teases-new-course-for-mario-kart-tours-next-update