This ghost detector with radar is a lie, it only serves to play with friends. What is shown in the rada is not real and is all random.
If you want to have a fun time to scare your friends or if you want to play with family or friends with this application you can do it.
You don't need an internet connection to use the app and you don't need a wifi connection to use the app. Radar shows dots that are lying ghosts to play. The words displayed in the application are random and do not correspond to reality. This application does not use any sensor on your device to detect ghosts. It is an application to have fun.
You can use the application for hours and hours, it's just for fun, it's all a lie. This ghost detector is not real.