Ashley, WebRTC also support audio chat features and video chat features, as you are likely aware.
Any chance of looking into the plausability of implementing it along with the multiplayer ?, seeing as you would be all into the whole webrtc side of things anyway.
voice chat supported multiplayer games
Construct 2 would also elevate its potential for developing communication apps.
Voice chat applications
Video chat applications
If it would become super easy to get these type of data calls in relative simple applications, circumventing regular carier costs, with all kind of new intuitive apps made by construct 2 developers, its potential is immense.