It let's you manage Dreamcast's VMU units and the games saves stored within (or rather, the VMS files on your computer in this case). It let's you format VMUs/VMS's, import saves + other stuff. Although, VMS Browser fails at importing certain Dreamcast save types (mainly VMS/VMI pairs), so Google for VMU Explorer The VMS browser lets me import all my saves from www.gamefaqs.com usually.