Some more exciting news coming up for this old champ:
I have ported Batocera Linux RetroGaming Firmware on this soc thanks to Martin Blumenstingl excellent work!
You can try and test it here
batocera-s812-30-20210214.img.gz | by Demetris. for MXQ TV Box
It should be able to boot straight on a MXIII-G/PLUS S812 board for the others you now the drill of renaming the dtb.
Hi Demetris, can you reup the batocera image for s812 board? Thank you!