Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.
iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.
is a Japanese manufacturer of optics and reprography products.
The Olympus PEN E-PL6 is a digital rangefinder-style mirrorless interchangeable lens camera in the Micro Four Thirds system.
A selfie is a self-portrait photograph, typically taken with a smartphone which may be held in the hand or supported by a selfie stick.
A touchscreen is an input and output device normally layered on the top of an electronic visual display of an information processing system.