The document outlines the agenda for the OSCON 2011 conference held in Portland, OR from July 25-29, 2011. The agenda includes an introduction, sessions on Android building blocks, learning Node.js, writing Android apps with Ruby, and an discussion of API design anti-patterns. Presenters will discuss topics like the Android and iOS development, the Twitter-like Yamba app, why server-side JavaScript is now popular, and using Rhodes to build cross-platform mobile apps with one codebase in Ruby.