EasyRPG Player is a software allowing you to run games built with RPG Maker 2000 and RPG Maker 2003 on your system.
It actually supports several consoles and now Switch support got added.
Place the folder easyrpg-player in /switch and place your games in /switch/easyrpg-player (same folder for RTP files if required, so /switch/easyrpg-player/rtp)