This document provides an introduction to mobile application development. It discusses the speaker's background in mobile development. It then covers what mobile computing is, different areas it can be used like business and games. It describes how mobile applications are developed, listing different platforms, languages, and tools used. It discusses salaries for mobile jobs and how to develop for specific platforms like Android, iOS, Windows and more. It promotes cross-platform development and concludes by welcoming the reader to the field of mobile development.