You have "Gps Status" and "Navigon" (or Google Maps) applications, so this tool is for you.
Thanks to this tool, you will win space on your home, because it is able to launch this two applications, and especially it will simplify the usage of your gps navigator,

This tool is fully configurable, for exemple the color of "Background" and the verification of the data aquisition.
And many other options !

Vibrator and sound are at the meeting.