If you'd like, I can also guide you on using your own hardware.
The legality of using Switch ROMs and emulators like Yuzu is a complex issue. Emulation itself is not illegal; it's the act of downloading and using ROMs of games you do not own that can be considered piracy. Game developers and publishers argue that ROMs infringe on their copyrights, as they are unauthorized copies of their intellectual property. However, there are also arguments that ROMs can serve as a means of preserving gaming culture and allowing access to classic games that are no longer commercially available. switch roms for yuzu link
The room remains active only while Yuzu is open on the host's PC. Once the host exits, the room is deleted. If you'd like, I can also guide you