http://www.techradar.com/news/mario-kart-tour-everything-we-know-so-far

Despite a somewhat inconsistent record with smartphone games, Nintendo is continuing to add to its roster, revealing that its next effort will be a mobile Mario Kart.

First announced as in-development in February 2018, Mario Kart Tour is still something of a mystery as Nintendo didn’t proffer any details on its gameplay, pricing model or even a firm release date.