Asian phonomen of super apps is not well known in other parts of the world. We’ve heard about WeChat but not many of us thought that ride-hailing startup can also grew to super app. Today we are talking with Stepan (Android) and German (iOS) from Grab about company and their experience as developers of tools and build systems. You will learn why react native is not ready for prod, is Flutter a complete answer to all problems, are developers loving to support thousands of different Android devices, how to do linting at scale of dozens of PR per day, and why Android X update is not just a couple of line changes in gradle config.