Why no Famicom & 2DS?
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You can request platforms via the support hub: https://www.speedrun.com/knowledgebase/supporthub/request-platform
Famicom is on the site https://www.speedrun.com/games#platform=FDS
edit: im not a console expert apparently famicom is not fds for the 2DS you'll have to request the platform
Edited by the author
Merl, I think he means the japanese version of the NES. The FDS is an disk addon for the Famicom. I assume that's what OP is talking about.
Famicom and Super Famicom aren't added because they are just the japanese counterparts of the NES and SNES, so they are pretty much the same.