Did you select any Playlists to be synced in the Device Profile?

Which version of MediaMonkey and what device are you syncing to?

ive just started usiung mediamonkey and looks exactly what i am after ,however ive tried syncing the music onto my mobile and it transfers the music no problwm,however it doesnt transfer the playlists ,what am i doing wrong ,and how do i solve it,and how easy is the wifi syncing to set up,and does anybody know how much it costs as well, thanks in advance.