Svengallery (APP) by NOT FOR LAYMEN"A truly shocking reveal with incredible potential." Colin McLeod "Modern. Visual. Effortless. Exactly what I've been looking for." David Penn Classic Redefined. Magic Digitized. Svengallery is a bold reimagining of the classic Svengali deck built for the digital age. The spectator selects an image even the latest one from their phone and in an instant, it visually appears in your gallery. Then, in a flash, every photo becomes that same image. Clean.