Remap Controls?

Hey all. I’m trying to run Yume Nikki on my SNES Classic (which I believe EasyRPG on there runs on RetroArch) and I can’t use the wake up key (9). Is there a way to remap the controls?

When the libretro core is new enough you can remap the “9” and other keys in the core options.
When the core options are missing ask the SNES Classic maintainer to update it. We don’t maintain them so we can’t help there.