Aim your mobile device to a desired area and look at the graphic. If there is any spirit activity, you will see it. Ghosts come in all shapes and sizes, so you never know what you might find.
Ghost Detector was primarily developed for measuring electromagnetic field radiation level which could possibly indicate the presence of spirits. And not only spirits, all paranormal entities and energies that come from another world.
Check it out, see if there is anything out of the ordinary happening around you, and if you enjoy Ghost Detector, it would be great to rate us and greet us!