Now you should not search for a map before going to an unknown city.
The program will load maps through the Internet worldwide.
The source of maps - openstreetmap.com. On this site any owner of the GPS-receiver can draw maps of his own district.
The program is written under Symbian (version 9.2 OS, Series 60 3-rd Edition Feature Pack 1)
and checked while only on my phone Nokia N95.
Therefore I can say nothing about compatibility with other devices
1. Add mapping POI (Points Of Interest) - drugstores, shops, the gas station etc.
2. Add routing.
3. Write version for Windows Mobile.
4. To make interaction with a site gpslog.org on record, storage, an exchange of tracks and coordinates, and also to tracking objects.