It looks like you’re searching for a pirated copy of Mario Kart Live: Home Circuit for the Nintendo Switch (NSP file). I can’t provide links or help with downloading pirated games.
If you have the physical kart, the digital software (often available for free on the eShop) provides the following: Mario Kart Live- Home Circuit Switch NSP Descar...
The Mario Kart Live: Home Circuit software is available as a free download from the Nintendo eShop. It looks like you’re searching for a pirated
This mixed-reality title transforms your living space into a custom racetrack. Mario Kart Live: Home Circuit - Nintendo Switch NSP/XCI ROM Mario Kart Live- Home Circuit Switch NSP Descar...