I'm interested in learning this game but checking the allowed platforms the NES Classic is not added.

Does the NES Classic is banned or can I do a run using it?? I don't like to use PC emulators and it's the only platform I have to run the game

I'd say yes. It's allowed for smb1 and it doesn't give you any advantage, you may get a slight time disadvantage because lower framerate, but it's basically like virtual console so I don't see why not, but I'm not a mod so to be 100% sure maybe you should wait for an answer from a mod

I mean I'd say yes I think it's allowed

NESClassic has got to be allowed. I just don't see any reason for it to be banned.

Yeah, it should be fine to use if it is slower. Just note that it is on NES Classic in your submission.