Emulators are allowed except ZSNES (any version) and SNES9x (versions 1.4x). When submitting on emulator show which emulator they you using in their submission video. Only version 1.4x of SNES9x would be allowed as far as I know but if you would like to use a different one; join the Earthbound discord and ask the MOD team with version number. You can find 1.4 here :

https://www.freeemulator.com/snes9x-emulator/ or https://www.downloadroms.io/super-nintendo-emu-snes9x-143/

I think if it was a glitched/manip allowed category it could make for an interesting run, kinda like photo %. Would be a huge task pathing and creating some of those manips...I say that but someone would probably have it done in a week lol