Just going to hope you dumped the file yourself. To install that, or any .nsp or .xci files, use Goldleaf. I believe it comes prepackaged with homebrew. If not, download it here. Then just go to explore content, choose your microSD card, and...
The 16gb of RAM can run Switch games at about 30 FPS, aka native FPS. Of course, if you can even find some at a reasonable price, you could get more. :rofl2:
Geekom actually sent one of these to a relative for a review, they're putting it in my grubby little hands after they're done with it, so I'll finally be able to play retro games on a TV...
Wait, said that wrong... if a Switch cartridge reader ever exists, can't we just package a homebrew game into an already existing game cartridge and then just load it up? If PS3 discs can be read with specific readers, as well as GBA games...