You simply create a hangout, and list the URL on Plus Roulette.
If you are looking for an already public hangout, Plus Roulette will list available hangouts.
Of course it was only a matter of time before someone tried to add a Chatroulette-type of random functionality to the video chat service.
Plus Roulette has launched as a way to create a public Google+ hangout that anyone can join.
Part of Google’s new social platform Google+ includes a group video chat feature called Google Hangouts, which is great for group video chat and sharing.