I think next idea for the just born Fileman module it will could be:
Implement a simple on-screen keyboard so that you can interact, like the one that guys of CHDK project made.
http://chdk.setepontos.com/index.php?topic=7272.0 (http://chdk.setepontos.com/index.php?topic=7272.0)
it's a step to obtain for example, the possibilty to do on-camera:
-Create/Rename/folders
-Create/change some values editing small files (scripts,config files etc)
...