BT747 is described as 'Bt747 allows for configuring MTK/MTK2 based GPS data loggers (GPS trackers) and downloading track data (GPS logs) to your PC. It can convert and export logs to various formats, geo-tag pictures and upload A-GPS data to the GPS device' and is an app in the Travel & Location category. There are three alternatives to BT747 for a variety of platforms, including Java Mobile, Linux, Mac, HP webOS and Symbian S60. The best alternative is RouteConverter, which is both free and Open Source. Other great apps like BT747 are Mobile Trail Explorer (Free, Open Source) and TrekBuddy (Free).
Mobile Trail Explorer is an application where user can view and record tracks using the mobile phone and GPS device (either external or internal). Recorded tracks can be exported in KML or GPX formats so that they can be viewed in Google Earth application.