Yes none, just because a dev done it doesnt mean it can be done on a
productive level.
In the same reddit post the dev said:
just a PoC that you can do native virtualization on A64 SoC.
Regarding performance, it’s unusable, very slow, no networking,
mouse/keyboard get borked most of the time and forces you to reboot.There is also frequent BSOD about watchdog timeout.
It looks exactly similar to this post:
just a PoC/fun nothing official.
Same goes for pixel:
Side Note: If by any chance this method easily/normally can be used on
phones in the coming 5 - 10 years this going to work on KVM not any
other hypervisor.
Patrick via Whonix Forum: