Is it possible to use the PubNub WebRTC SDK in a native Android app using a WebView?

As of the time of this article was published, Android had recently supported WebView for WebRTC:

Currently, we do not have any sample apps that demonstrate how to duplicate in an Android/WebView what our JavaScript WebRTC SDK does.

Here are some helpful links on this topic:

From there you can integrate PubNub as the signal protocol as it has been done with our WebRTC SDK.