With our Ghost EMF Hunter APP you will be able to detect Ghost Spirits & Demons that maybe in your premises. Our APP Utilizes the Antenna Arrays in your smartphone to detect EMF Fields. Since Ghost & Spirits are pure energy consciousness then they in theory can be detected by these means. EMF stands for electromagnetic field and has been used in the Ghost Hunting field for quite some time. Our APP has been updated and contains three Very Sensitive Electromagnetic Fields RADAR - COMPASS & GRAPH