If you are eager to player good old NES / Famicom games on your homebrew enabled Nintendo Switch why not trying out NES ClasSwitch by waywardson07. The emulator is evolving slowly but surely, keep an eye out. Read more about NES ClasSwitch v0.1.0 (NES emu for Nintendo Switch)
VBA-Next Switch is an optimized port of VBA-M to Libretro. VBA-M itself is a fork of the original Visual Boy Advance. RSDuck brought it now to the Nintendo Switch to enjoy some classic Game Boy Advance games. Don't forget we host a great range of free and legal GBA homebrews! Read more about VBA-Next Switch v0.5 (Game Boy Advance emu for Nintendo Switch)
CODE-8 is a great retro point+click adventure game by Liquidream for PICO-8. You have crashed on an alien planet after responding to a CODE-8 distress call. Now you have to try to repair your ship and get home... Read more about CODE-8 (PICO-8 Game)