This book provides the basics on hacking Android applications. This book is supposed to help beginners learn the art of exploiting Android applications. The book does not waste time in talking about Android fundamentals and other things that are not relevant to actual hacking which most of the books on this material talk about. This is supposed to provide directions to anyone who is interested in learning the art of pentesting Andoroid applications.In the second version, the author adds more fundamentals that allow a security researcher to use runtime manipulation techniques and crack even the most difficult applications.