NINTENDO SWITCH RETROARCH 1.10.3(DOSBOX+OVERLAYS(BEZEL)+SHADERS SETTING) / By. 연주부(YeonJB) - YouTube
Input and Controls - Libretro Docs
S3E10 Tutorial: Easily Configure ReMap SNES, NES controls & More in RetroArch Raspberry Pi - YouTube
RetroArch Switch – WiiDatabase
To get all these controllers to to play nice with each other on one pc took 5 seperate retroarch installs running independent from one another, usb hub with switches, wii u adapter,