I am afraid I cannot contribute much to this project, as I lack the technical expertise - but I have the orangepizero2 H616, and I think it is a fantastic bit of hardware for the price. I would like to do much more with it (currently I am using it as a pikvm, which works nicely and is fun... and a lot cheaper than a raspberypi based solution).
It is a shame it is not more fully supported and I just wanted to say thank you for your work and efforts on this.