Well it took me longer than i hoped but i have managed to forward port icenowys code for TVE on the H2+/H3 to mainline armbian. It seems to work totally fine, with a few caveats.
First: Sample images of it in action -> https://imgur.com/a/vXQEM
Second: the patch itself -> https://github.com/stevenj/h3-tve/tree/v0.0.11
Third a prebuilt image for Orange Pi Zero: -> https://github.com/stevenj/h3-tve/releases/tag/v0.0.11
Howto:
just put the patch into userpa