Here’s an Android box that meets all the specs. It has Android TV, 4GB of memory, 32GB of storage, a great remote that is both RF and voice controlled but application politics may be standing in its way – if you care about that kind of thing. Take a look.
MeCool KM9
Nvidia Shield https://amzn.to/34yUf2d
My Favorites on Amazon https://amzn.to/35K3Qnd