Compass is a simple application which uses the internal compass of the phone to display your heading upon a nice graphical interface.
Some phones require a manufacturer update to work.
http://www.windowsphone.com/en-GB/apps/a1d8de38-d670-4e3a-90d3-44457ddaa823
Some phones require a manufacturer update to work.
http://www.windowsphone.com/en-GB/apps/a1d8de38-d670-4e3a-90d3-44457ddaa823