To lure Mary into a trap, Sam says "Bloody Mary" in front of a mirror three times and Mary appears: it's revealed that before Jessica's death, Sam had been having dreams of her being killed in the exact same way as his mother, and that he feels guilty for ignoring what he now thinks were prophetic visions.

As they leave, Dean asks Sam what his secret was, but Sam refuses to tell him. Just then he sees Jessica, standing on a street corner in a long nightgown, before she disappears.

Installing an APK on an iOS device is impossible as both platforms are incompatible.

In iOS, the equivalent of the APK files in Android is the IPA (iOS App Store Package) file. An IPA file is an archive file format that contains the compiled binary code and resources of an iOS app. It is used for distributing and installing iOS apps on devices.