Two years ago, Android announced first-class support for the Kotlin programming language. Both the language and the platform evolved a lot during this time with more focus from the engineering teams at Google on helping developers use the full power of Kotlin. There has been tremendous adoption of the language among top Android app developers. Going forward, Android will become Kotlin-first. In this talk, Wojtek Kaliciński discusses the current state of Kotlin on Android and gives you a small glimpse into the future of modern app development with Android Jetpack.