Heres a Nes Emulator for the Ninteno Switch by waywardson07:

UPDATE_6: NES ClasSwitch Alpha v0.1.0 Release

This release Includes:
- audio support added (not perfect but it is working)
- increased stability (will not crash when exiting and loading new roms, roms run better, etc...)
- rom exit and app exit key mapping changed... (to exit a rom and return to main menu press: - and +, to exit the app press: ZL and ZR)
Download https://www.nintendomax.com/viewtopi...9c51906fc39bc7