A few people have commented about my GPSPhone application,  a few people are struggling to install it.

The GPS Phone application is here

http://www.binaryrefinery.com/main/www.binaryrefinery.com/main/content/binary/gpsphone.cab

You need the SQL Compact runtime to get the application, which you can download from

http://www.microsoft.com/downloads/details.aspx?FamilyID=38ed2670-a70a-43b3-87f3-7ab67b56cbf2&displaylang=en

Trust me, its worth the pain