This app allows you to download log data from external GPS Receiver/Logger (like Holux M-241,TranSystem 747 ...) via bluetooth, similar to BT747 and ezTour on PC.
* Download log data.
* Delete log data.
* Restart device.
* View logging settings and GPS status.
* Record raw NMEA sentenses.
*** This app does NOT work with cellphone/tablet's bulit-in GPS. Certain external GPS device is required! ***