Flutter is the free & open sourced SDK from Google to develop high-quality mobile apps for iOS and Android with the same code base. It uses the Dart language which has it own benefits. In this Talk, I will talk about what exactly is Flutter, How Flutter works and How one can start working with Flutter. With this I will also cover the Dart part which will be required. Flutter widgets, Packages and performance of how flutter app is able to achieve 60pfs rendering will be discussed.