Your soul floating into an abyss, you awake in a volatile unknown world. Your mind at constant risk of breaking apart, your body desired by entities lurking around you. Not alone, others struggle within the anomaly that is this place. Others who flow in this abyss with you, allow you a choice. A choice to deliver them.
In order for you to be able to install this game, you need to enable (allow) installation of applications from unknown sources (Unknown sources) in the phone settings. Usually this item is in the Security section