This document summarizes an Android seminar presentation. It begins with an introduction to Android that defines it as a software for mobile devices based on the Linux kernel. It then discusses the architecture of Android including its layers - the Linux kernel, libraries, application framework and applications. Several advanced Android applications are also summarized like weather apps, Google Drive suite, Google Play Music and Blue Mail. The document concludes with pros and cons of Android along with conclusions about its openness and offline/online capabilities.