This is a rather interesting board isn't it? H3, GPIO, 0.5GB memory.
http://www.cnx-software.com/2016/07/07/smaller-than-raspberry-pi-zero-meet-nanopi-neo-arm-linux-development-board/
Would it be possible to run this on Armbian?
Well, this commit enabled g_serial for Orange Pi Lite (and I believe we will do the same for NanoPi Air as well). Maybe FA simply missed the existence of g_serial module (or maybe even worse they tried to implement g_ether just to realize that in their kernel fork a patch might be missing?).
Edit: unfortunately currently NanoPi Air comes with a pre-populated eMMC (with a more or less unaccessible OS image for whatever reasons) so it's necessary to flash the fel-sdboot.img OS image that's par