1. Download the last version Vlog from this site (.sis-file).
2. Sign it here or crack your symbian(there are some links in internet).
3. Install to phone
4. From the menu select "GPS connect"
Thats all. Further the program itself connects to the Internet and downloads a piece of a map of your district.
Navigation keys - 1,2,3,4,5,7,8 and left, right, down, up.