If you had to explain me in like few sentences how to connect to your example trollbox.
I'm guessing it uses a websocket to connect to some gateway/obelisk (I don't know whats the difference between the two) - right?

And then, having the websocket connected - then what?
is there a doc of the actual protocol?
I cannot find it in the links you posted, though I may be just a bad seeker. Or rather a lazy one