Mario Kart Tour delayed to summer 2019 - Polygon

Mario Kart Tour, Nintendo’s next smartphone game, will launch sometime this summer. Originally planned to make it to Android and iOS by March 31, the mobile version of Mario Kart requires extra development time, according to Nintendo.

Super Mario Maker - Super Mario Wiki, the Mario encyclopedia

Mario Kart Tour Initial Release, September 25, 2019

Mario & Sonic at the Olympic Games Tokyo 2020 - Super Mario Wiki, the Mario encyclopedia

Super Nintendo World - Wikipedia

Smartphone version of Mario Kart delayed until Summer 2019

The Wild (2006) - News - IMDb

News - December, 2021

The next Tour in Mario Kart Tour is the Sunshine Tour! GBA Lakeside Park makes It's grand return after over 22 years, starting July 26th! : r/newmariokart

Mario Kart (Video Game) - TV Tropes