Did you know you can play classic NEX and SNES with your friends right from your browser? Thanks to SNES Party and NES party you are all set. One person creates a room, load a rom, that you supply, then send a link to others then Video/Audio and Controls are streamed to the others in the room using WebRTC. That’s it. Who knows how long the service will be around since Nintendo does not play well with others/custom games and or mods.