Check the logitech post for programs that might work. I haven't tried this yet. Maybe gobruce would respond to a pm.

Ok, I just plugged in an old logitech dual action controller with an adapter. The d-pad cycles thru the homescreens and the buttons enter or escape. So this is native usb kernel support. No app needed. Try some old joysticks that predate the an7g3 os.

As to games, if they allow joysticks it should work. You may need to map the controls in an emulator. I'll put dosbox turbo on next and see.

The adapter I use came with a keyboard. A bluetooth dongle would be even better.

For ps types try the sixaxis app. Maybe there's a free trial version or compatibility checker. I think some of these apps will map touch screen areas to the controller buttons for games without joystick support.