It is server-based. Server-less version will be later as I wrote. Yes, it is like chat rooms, it is like client-server and it is like web. There is a web sessi

It is server-based. Server-less version will be later as I wrote. Yes, it is like chat rooms, it is like client-server and it is like web. There is a web session actually :). We've tested a way for linking (pairing) two devices. From HTML5 there is File Reading API