Why bother? You can get an sbc PC with a decent agpu, throw SteamOS on it and have the little PC console of your dreams. There’s a few good 6600U ones online. $300-$400. You’d dwarf the library of an arm console limited to Android, even with emulation.

I want a new shield tv revision because the Arm A57 cores are extremely dated for emulation use.

Also would be nice for some of the more demanding android titles that has released since then.