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.

games - MacStories - Part 9

Mario Kart Tour mobile game delayed to Summer 2019

Team Sonic Racing Producer Provides Inside Look At Game - My Nintendo News

Nintendo's Mario Kart mobile game delayed until summer - CNET

Anyone realize these are literally the only 1st party games Nintendo has officially announced yet to be released. : r/casualnintendo

Mario Kart Tour delayed to summer 2019 - Polygon

Mario Kart Tour Delayed to Summer 2019 - Gameslaught

News - January, 2019

Daily Spotlight Pool: Summer Tour 2023 : r/MarioKartTour

Smartphone version of Mario Kart delayed until Summer 2019

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