As i was anyway thinking the Arduboy dock needs some more feature i have now built this tiny thing. Will work as the Arduboy dock headless but will also already have some games and emus included Target is to have retropie with also pico-8 on it. But as the Arduboy dock only works with an older version of jessie i could not take the retropie image.
I have the 2017 jessie on it with the dock already working. Screen (with touch) is also already working. Next will be to install retropie and some emulators.
If i chose wrong categorie please move accordingly thanks