There is the approach Samsung is taking with LinuxOnDex. My Note9 runs Android but I can plug it into a monitor, mouse, and keyboard and boot up a Linux environ

There is the approach Samsung is taking with LinuxOnDex. My Note9 runs Android but I can plug it into a monitor, mouse, and keyboard and boot up a Linux environment. It's still a bit rough since it runs in a container on top of Android but it works surprisingly well.