A unique mobile device casing or cover integrated with a camera system & 3D/multiple video & still frame viewer is disclosed, which can record 2- Dimensional (2D) and 3-Dimensional (3D) video movies and still photographs and which can be used to view both 3-D video/still image, using an attachable/detachable 3D display system is disclosed herein. The unique display disclosed herein can be used to view both 3D and 2D video/still simultaneously. The camera may have zoom, tele-photo or microscopic capability by using a unique optical system disclosed herein. The Camera disclosed herein can be used in or with mobile devices for capturing self photos or self video commonly known as "selfies", in 3 dimension (3D) and any photography or videography application. Furthermore, the 3D camera may be used with mobile phone/devices, tablets, ipad type devices by integrating the camera and 3D display sheet, on a mobile phone/device case, tablet case or the case of an ipad type device. The 3D display sheet converts the regular display of a mobile phone/device or television to a 3D display, which does not require to wear special glasses to view 3D. The 3D still photographs and 3D video movies can be viewed in a mobile device, for example, such as a mobile phone/device, tablet PC, tab, pad, etc, without using dedicated glasses, by using a suitable 3D display disclosed herein, which does not distort the 2D display capabilities, simultaneously enabling both 3D and 2D viewing.