The app allows you to download the binary log from MTK type GPS receivers (like the QStartz BT-Q1000XT, the iBlue 747) via bluetooth. The app can also clear the internal memory of the device. The app can also create a GPX file of the downloaded log, which can be used with for example: RMaps, DYJTrack. Android 3.2+ is required The log and GPX will be saved to the internal SD card of your device