D-Pad to navigate (up/down to navigate through files, left/right to switch the active directory listing). X to navigate into a directory O to copy the selected file (no directory) to the inactive directory listing. [] to delete the selected file.
Known issues (will be fixed in a newer version):
When copying a file, everything 'hangs' till the copy is done.
Copying is slow, so just wait!
No scrolling yet
Also an important note: Be careful! It is a very dangerous tool if you don't know what you're doing. I'm not responsible in any way!
Como no se si es legal postear aquí el enlace de descarga, no lo pongo, si os interesa la aplicación buscadla vosotros mismos.