It's actually possible to have a good gaming experience with Android tv

by amaeloeze7

This video showcases how to set up some cloud gaming devices to play triple A games on the Google tv Chromecast. https://youtu.be/kL61OmoK4HY

mrgreyeyes

I did stream with Steam from my gamepc to my TV once. The graphics and lag were decent and playable. Only the controls did not all passed through. Sometimes I need a few mouse buttons at the same time, but only 1 input at at time was recognized. So after an hour is gave up and never used it again.

EDDIE_BR0CK

I've been meaning to try Stadia with a controller, but haven't yet had the chance.