In the rules on the single star leaderboard it says emulator is banned, however you can clearly see n64 emu times on the leaderboards.

You would be able to see what the leaderboards used to be at a specific date for a specific game.

So, you might know about the new chromebook update and how you can play mobile google play games with it. So, is Chromebook (or PC, if you won't put Chromebook) going to be a new platform? I see you haven't added it already and if I submitted a run on this platform what would I do?