Have you ever wondered where you would end up if you dug a tunnel straight down from where you were standing? Wonder no more!

This application allows:

1/ check of your phone sensors
2/ Centralized Volume manager (alarm, ringer ...)
3/ WIFI access points level cheker
4/ GPS + Google Maps localizer
5/ Battery level checker + screen timeout controller (mainly for an optimal battery life cycle , i.e charge it until 100% and empty it until 0%)
6/ Process checking agent which allows tracking all processes running on your phone and monitor/diagnostic memory usage.

Check your altitude with Altimeter. You can use it wherever you are. Altimeter uses GPS to find your altitude.