At present, games that run on retro consoles mark this using tags - which are also used for games that do not run on those platforms, but have the style of the platform. The downloadable files are not able to be marked by tags, so providing ROM files is somewhat confusing. It would be nice if more platforms (such as NES, SNES, SMS, MegaDrive/Genesis, Neo Geo, GameBoy, GBA, MSX, Playstation and so on) could be options, so that developers could mark ROM files as running on the correct platform, and mark prebuilt emulator bundles without causing confusion between these.

Thanks for the suggestion! This has been discussed not long ago in the Discord server, but the right level of granularity remained in dispute, so a decision wasn't made.

They should become tags, rather than fixed checkboxes. Even the “Windows” checkbox is vague as Windows now has ARM support.