It's a developed by Bandai Namco in partnership with Nintendo. It only runs on specialized arcade hardware at select VR arcades, mainly in Japan, the UK, and a few other regions (e.g., VR Zone Shinjuku, which is now closed).
I understand you're looking for Mario Kart Arcade GP VR , but it's important to know: (like Quest, PSVR2, or PC VR).