Android

Android was initially developed for touch-screen devices, smartphones and tablets. Android uses direct manipulation in its user interface. Any actions such as swiping, tapping and pinching from the user are manipulated on the screen objects. A virtual keyboard is also given to the users to get their text input.Although Android is considered to be a Linux distribution by many, it does not possess GNU C library which is found in other traditional Linux distributions. Instead, it uses Bionic as an alternative C library.