This document summarizes an introductory Flutter session. It introduces Rayen Zegden, who is a GDSC member and mobile development lead, and explains that the goal is to create performant, easy to use, and efficient applications. It provides definitions of Flutter as an open-source framework for building mobile apps using Dart, and widgets as visual elements. Advantages include fast development, a single codebase, and customization, while disadvantages include limited libraries and a steep learning curve. Finally, it previews setting up tools and libraries needed for a first Flutter application.