Retroboot 121 Info

Placing ROM files into the designated "roms" folders. RetroBoot is highly organized, making it easy for the system to scan and generate playlists.

I was unable to find any verifiable or widely recognized information about something called retroboot 121

Most emulators save state when you quit. RetroBoot 121 saves state as you play and caches it to ultra-fast NAND. When you power off, it hibernates the entire emulation layer. Power on, and you’re back in Super Mario World exactly where you left off—no “Loading ROM…” screen. Placing ROM files into the designated "roms" folders