But that still depends on a pre-established route between the devices (shared wifi etc), right? Native apps can do WiFi Direct and BT and whatnot as well.
This could be one of the rare opportunities for more backend-oriented people (well, "non-front-end" people) to make something end-user-interesting by taking some appropriately licenced UI and running with it: put an existing "card table" web client in a tauri app and add some "Desk Area Network" distributed backend.
Might be a fun demonstration project for persons or orgs wanting to show off distributed consistency protocols. You might even add some blockchain to the mix if you have a thing for stale buzzwords. For a company with a product in the distributed consistency field, it could make a nice trade show booth giveaway: "this is actually our product, and you can even challenge each other on the plane back home, that's how special it is"
