alt Hacker NewsAndroid 16 is adding "Desktop Mode" to do exactly this, I bet in a few Android releases this will be good enough for most "desktop usecases". They'll have a "Linux" app that gives you a VM exactly like WSL2 on Windows or Crostini on ChromeOS.
If we allow ourselves to dream it's not impossible we'll be able to run Windows games on Android in some future :)
First Android would have to be free software and not project controlled by Google. We need independent mobile phone operating system.