Cases or holders for cell phones, personal digital assistants, portable video/music players, electronic books, electronic tablets and other handheld and/or free-standing display devices, as well as the devices themselves are disclosed. In different embodiments, a versatile protective holder that can allow placement on any surface for hands-free viewing, with full adjustment of viewing angle in landscape and/or portrait orientations; directional sound reflecting and baffling; easier cleaning and viewing of the device's screen; easier grasping by the user; wearing of the device using a belt clip or arm or waist band; as well as attachment to an automobile, bicycle, or other vehicle are disclosed.