Kotlin, a modern and expressive language, has revolutionized Android app development. As the app complexity grows, building scalable and maintainable Android apps becomes crucial. This book is a complete guide to modern Android app development using Kotlin. It covers key concepts like clean architecture and dependency injection for building strong, maintainable apps. This book will also help you learn how to use Kotlin DSL for build configuration and Jetpack Compose for creating user interfaces. It also covers testing, debugging, networking, and API integration. With best practices and real-world examples, this book will help developers create high-quality Android apps using Kotlin.