There is currently no help for PhatHack MM, as I've just not had the time to get that far!
I did start a WIKI section and will try and keep that moving along, and that can be found here:
http://en.wikipedia.org/wiki/User:DJ_VorTechS/PhatHack_Media_Manager/ManualIt might be a useful read anyway, as it might give you an insight into how the application treats devices/folders.
In the meantime where are you struggling with creating playlists and movign songs?
To change the TTS voice, go to 'Tools', 'Options' and then select the 'Encoder Settings' tab.
Drop down the 'Device/Folder' list and select your DMS. Modify the TTS settings at the bottom, generally you should only need to change the voice.