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Détecteur EMF pour trouver des anomalies électromagnétiques lors de la chasse aux fantômes
A convenient substitute for such devices on your device. As in Phasmophobia.
The application is designed to search and register electromagnetic anomalies when searching for ghosts, contact with spirits and other shady practices. Uses your device's magnetometer to measure the electromagnetic field around it, so won't work if your device doesn't have a magnetometer.
It emits a sound when changing values and can be used when looking for poltergeist effects.