If you do, you can explore an art project/mystery tale entered in this year’s Tribeca Film Festival. Circa 1948 is a 3-D film noir-inspired multimedia project by Canadian Stan Douglas, who set the work—which was meticulously rendered, not photographed—in two post-war Vancouver neighborhoods. The project lets the viewer to pursue the narrative, where “you’re sort of always in the middle.” Unlike a game, there is no externally defined goal; it’s an exploration of the case of a woman falsely accused of murdering her husband. A mystery, like life. It’s getting ***** on the iTunes app store.