This is an adaptation of something @SteeMan wrote in this post, but we need to refer to it often enough that I thought I would make it into a sticky.
Amlogic (S9xx) Android based TV Boxes
1. They are not supported.
2. A single developer (@balbes150) had worked years on getting things to the state they are.
3. As of October 14th, 2020 balbes150 removed support for Amlogic CPUs, so that is the last build that will maybe work on your box.
4. There is a very small number of