"Do you ever want to look like celebrities?" the free iOS app's description asks. "Face Stealer will turn your face into someone else in real time."
Well, it sort of does do that. There's a selection of faces preinstalled that you can try on for size, including the Mona Lisa, Barack Obama, Nefertiti, and Albert Einstein.
Read more of "Creepiest app ever lets you wear someone else's face" at CNET Australia.