GPS Testing Tools is an application for exploring navigation data.
The main features are:

1. Very fast GPS fix. Delivers All GPS receiver data provided by Android framework

2. Satellites radar and PRN & SNR viewer

4. NMEA sentence editor with ability to save share mark filter NMEA data in real time and etc.

5. Handy Compass

6. Converter LLA to ECEF and ECEF to LLA.

7. Full control on phone GPS receiver from settings .