did you try https://github.com/ynsta/steamcontroller ?

@leejsmith I just noticed your Album link at the bottom of your pictures! I see the USBs in the back now and that screen is just HDMI! Don't know why I never thought about that because I've heard others have issues with refresh rates using the onboard display interface (DSI) port. Thanks for sharing your mini bartop. I enjoy seeing these well constructed builds! Keep up the good work :)

@mikeyb Hmm...how did you transfer the games over? Did you enable samba shares and do it that way? Are each system's games in /home/pi/RetroPie/roms/ ?

Cause yeah the systems should show up in emulationstation as soon as there are rom files in those folders.

I've cloned my 8gb to a 64gb with win32diskimager, after that you can expand the partition with easuspartitionmanager.
It works great ;)

@bennymcg

The 'Generic 104-key PC' would likely be the best model setting. Also, the keyboard layout settings are all set to UK by default, so if you need anything else, select 'Other'. It appears as though the Rii i8 has an AltGr key on the right, so 'Right Alt (AltGr)' is applicable to you as well.

Thanks again, I now have a compatible rom set :-)

Kev