It looks like you're looking for a game in NSP format — likely for a Nintendo Switch emulator like Ryujinx or Yuzu , or for use on a modded/hacked Switch with custom firmware (like Atmosphere).
✅ (Nintendo Switch) – available on the official eShop or as a physical cartridge. ✅ Mario Kart Tour – free-to-play on mobile (iOS/Android). ✅ Mario Kart 7 (3DS) or older titles – available via official Nintendo stores or secondhand cartridges. ✅ For emulation legally: you can dump your own game cartridge to NSP/XCI using a hacked Switch (requires your own legally purchased copy). mario kart nsp
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