If you want a more "console-like" experience with pre-configured bezels and shaders, TheRA is your pick.
: Before inserting the card into the console, you must edit the console.cfg sup m3 custom firmware
sup m3 custom firmware, install SUP M3 custom firmware, RetroSup CFW, SUP M3 emulation, SUP M3 save states. If you want a more "console-like" experience with