The "GPS info" app for your phone is a utility that shows GPS GLONASS and BeiDou information read from your phones internal GPS/GLONASS/BeiDou/GALILEO sensor.

"GPS info" has several screens of information:
* Satellites in the sky shown on a compass
* Signal information. Showing the signal strength accuracy azimuth type etc for each satellites
* Current information about your position (latitude longitude) speed bearing etc
* Your position on world map plus sunrise and sunset time.