Turn it to put your mobile in silence and/or to stop data transfer!
This application uses the accelerometer to determine the rotation of your mobile and so do some of these actions. Every time you put it face down will act in one way or another doing the actions you decide, and the actions will be undo when you put the mobile face up.
To start this service add a widget on your desktop and activate it. Remember if you don't check any checkbox ,no action will be done.
You can decide whether to start service at boot, that is, when you turn on the device.