You can already do this on PC using the Windows Subsystem for Android. The major issue surrounding WSA was that it was too technical to setup for most PC users so we built an app for our non-technical users to solve this. Right now, Google building a standalone app for only Android games (people use Android apps fairly on par with games on PC) and then insisting on a slow rollout will most likely make the product go nowhere.
Calling this now. This is a likely candidate for the Google graveyard.
Calling this now. This is a likely candidate for the Google graveyard.