This app compass is supposed to help you to orient yourself and to let you know wherever you are. It may also be useful in case of an emergency to transmit your position.
Maybe the best app compass android store. Download it now on google play store

This compass sass has following options:

+ Display the current orientation heading to the north pole
+ Simple handling
+ Display of the current coordinations latitude and longitude
+ Copy the current coordinates to the clipboard
+ Transmitting of coordinates

+ No undesired additional services

You can use this gps compass app android to:

- find the way home if you know the heading
- get you actual latitude and longitude
- send your position coordinates if you are in trouble
- show your position on google maps app
- copy latitude and longitude to clipboard

The accuracy of app compass can't be guarantied if the shown magnitude gets to high.
It also only works with a magnitude sensor built in the phone.

To calibrate just turn the phone around all 3 axes