@box4me Btw, is this your site ? Are you by any chance selling RetroPie with arcade cabinets ? Are you also including ROMs with your cabinets ?

I finally used the retroarch menu (Select+X) and remapped the controls here. It works fine.
I think that the problem was the special syntax for Vectrex.

@BuZz premade from downloads section. It DID happen after upgrade, I'll read that post and give it a shot. Thanks for the prompt reply.

Try my approach combined with Luetzels' here:
https://luetzels.raspiblog.com/?p=1870

Install the patched Bluez from the blog (overwriting default raspbian bluez – do not uninstall it first, just overwrite). Then Shanwan sixad. Reboot, then its working like a boss..

Try this first.

Figured it out!

input_map[p1_doubleleft_up] keyboard[0,8_pad]

etc.