I just happily wasted the princely sum of $.99 on an app called Ghosthunter M2. It seemed like just the thing to prepare for Halloween.
So, ghosties and beasties, ghouls and zombies, I am armed. I also have lots of delicious wine so if you do intrude via non-door portals, you'll have to forgive me if I'm not massively alarmed--or even invite you to sit, put your feet (or whatever) up, and tell your story.
Skeleton (I think her name is Clementine) by Oleana Perry, of Kraken West.