We need not to dismiss the existence of ghost in the space same to that of humans despite the fact that we cannot use the modern science to corroborate the existence of it.
In Ring Camera, the ghost in movements will appear in lens simultaneously to interfere your screen.
Please Note: This Application requires an iPhone.
It will not work with an iPod Touch or an iPad since neither device has a camera.
Requires iPhone OS 3.1 or later.