We generally steer away from folio-style iPhone cases, but Uniq Creation's Couleur for iPhone 5 ($27) is different enough to warrant some attention. The inexpensive faux leather case has a frame with curled edges to hold the iPhone in place, leaving all four edges exposed. It also has two openings: one for the iSight camera on the back, and another for the earpiece on the front cover, allowing you to take phone calls without having the lid flapping…