This is a very short overview of an application available on the Android play store. It offers a better interface to quickly access the game goals and the ghosts info (compared to the in-game interface imo).
Available here: https://play.google.com/store/apps/details?id=br.com.pacientevirtual.phasmophobiaassistant&hl=en_US&gl=US
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Wtf c'est insane