you mean nvidia shield? can it run any kind of alternative OS though? maybe custom android roms, but rather I mean even just a basic linux distro, or PostmarketOS.

update: so the problem is that linux cannot even boot on it yet

https://wiki.postmarketos.org/wiki/Nvidia_Shield_TV_Pro_2019_(nvidia-mdarcy)

if that's fixed, it will probably need graphics drivers to be found at least, wireless drivers, and whatever for the remote but possibly that would already work at least partially.