In the teardown of the new Play Games 3.3 apk a couple of huge features were hinted at and uncovered. The main 2 discovered were Screen Capture(Video) and YouTube Gaming Support. The main give away were the icons:
And also snips of code such as:
Google seems to be getting in the market of content capture just like the iOS, PS4 and the Xbox One have done except they’re centering it around Play Games over have support for services outright. Hopefully this isn’t limited to phones and tablets and would make the most sense as part of the 10 foot experience on Android TV.