If you read, he's running in a chroot within the TelsaOS (which I'm guessing controls a lot of the sensor in/outs for displays and can't really be removed).
So it's like running an X server and external display on your Android in a chroot, so it looks like you're running Ubuntu and Android.
I'm sure everyone is aware of the fact that all kinds of potential quality-of-service crosstalk/resource utilization issues are not prevented by a chroot.
So it's like running an X server and external display on your Android in a chroot, so it looks like you're running Ubuntu and Android.