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I have used VIGNETTE since i purchased the phone (lack of geotagging on the origanle firmware) It has all manner of filters and settings. They are to be used dureing the photo shoot. Ie if you want to see a foto as black and white (or sapia which is that ageing color foto look) you can select that filter and take you shot. Or you can select a foto with in the app itself and apply the filter of choice as well.
Luckily I don't need either. 
Don't sleep for a week, eat lots of junk food, don't exercise, do not apply any face wash or face cream, do not wash or groom your face, take a picture of yourself, and I'm sure you'll get similar results![]()