Well the problem is my command line app doesn't deal with metadata - only the rom names. So the only way it would work in this context is if mamewah doesn't really need all that data. Incidentally, I've never used my app to convert to mala game lists, only from. One of these days I want to try converting to, and see if mala chokes with no metadata, or if it can fill in the metadata when the list is loaded.
Bardon, is my app of any interest? If so, please hand edit a mamewah game list file, taking out all the game information and only leaving rom names. If mamewah can handle such a list then please upload your edited game list and I'll see about adding mamewah to my app.