This app include a Simple Compass and a SimpleLevel.
You can use it for all your outdoor activities whether you areflying, sailing, travelling or camping.

Compass:
It is easy to use.S mean South,N mean North.

Level:
The button Calibrate is used to calibrate the standard.
The button Hole is used to hold the data.

Actually, Simple Compassl has many attractive features asfollows:
Compass and Level possesses high fashion style;
Compass and Level possesses amazing animations;
Compass and Level possesses high-Definition interface;
Compass and Level possesses convenient operation system;
Compass and Level possesses funny interactions.

If you like,please give me a good rate.