Sianix GPS Compass is an animated compass for your mobile device.
It can show both realtime or simulated data if you want to test the application when inside a building.

Displays onscreen data for heading, speed, altitude and acceleration in SI or Imperial units.
The compass has three modes of operation, which can be switched easily using the Style button.

And last but not least, it is looking great and is perfect for hiking or just for fun.