Android: A Programmer’s Guide. This book has been designed to give you the best first step toward the exciting new frontier of open source mobile development. Android is the newest mobile device operating system, and this is one of the first books to help the average programmer become a fearless Android developer. Through the course of this book, you will be introduced to the fundamentals of mobile device application development using the Open Handset Alliance’s Android platform. By the end of this book, you will be able to confidently create your own mobile device programs.