HandMap Pro 3.2
the author of this app says:
This atlas and map viewer is full featured with advanced search and navigation functions. Zoom in and out and move the map around to find the exact location that you're looking for. You can enter the names of street corners you would like to see and the map brings them up for you. Select a street and it will blink on and off to let you know where you are at on the map. Their site offers many maps of most of the U.S. and United Kingdom for download. They have even included is the ability to use this program in connection with a GPS receiver so you can view the map while you're moving.