This Ghost Box uses only Spanish reversed audio set of banks in main function mode, and scan rate is set by the sensors readings of your phone or in manual mode with plus and minus buttons if device dont have magnetic compass.
Underground Ghost Box is developed by Spain Paranormal and its category is Lifestyle. Over 50K users set up the tool and the latest update was released on Nov 17, 2017. This application has been designed for people aged 17 and older, users rated it 3.2 on Google Play.
Take the opportunity to download the installer of Underground Ghost Box 2.0.22 for free and check out users' reviews on Droid Informer. The app is available for Android 1.6 and above. It's secure to download the app.