Is it possible to install Chrome OS on an Android tablet-based computer?
By concept, Google platform we use through the browser, Google Apps like Gmail and Photos, is the foundation of Chrome OS, so, again in concept, you Are using Chrome OS. \U0001f61cIf that did not satisfy you, the is another approach, but,Sadly, the approach I describe later need a little more scrutiny. I have yet to try them, personally. \U0001f607Simple search in Google Play can point you several methods to install Ubuntu based distro, and you may install Chromixium OS to Android using them.