I have an E-125 too and find MAMEBoy to be the best choice. It has the keys remaped to match our machine and has far better performance. Read the docs that come with it for where to install it and where to store your roms.

> Hi there. I just bought a Cassiopia E-125 PDA. Great little device.
>
> Anyway, I can't seem to figure out how to configure arcade ROMS once downloaded
> into the E-125. I've tried the apparently supported Burger Time and the [not
> supported?] Ms Pacman. How do I set up the directory structure?
>
> Also, will MameCE be an all-round better choice?
>
> Thanks!
>