More recently, smartphones and tablet computers seemed to be the unattainable pinnacle of digital technology, and now mobile devices have become reliable assistants, the best gaming devices, high-quality and multifaceted communication tools - all in a single device - without which many can no longer imagine ordinary life. This book will become your best teacher for learning all the delights of modern mobile devices based on the popular Android system. All functions, options, their application and configuration are described in a simple and understandable language, all descriptions are also accompanied by illustrations for clarity and better perception. All possible actions are analyzed in detail, from the first turn on to the fine settings of the camera.