Augmented reality applications have moved from novelty to reality, and with the release of ARKit and now ARCore, have become more accessible to the average developer. Now virtually anyone with a grasp of a programming language can quickly build an AR experience using a variety of platforms. Google, with the release of ARCore, has now made this even easier and also provides support for multiple development platforms. This book will guide you through building AR applications using JavaScript and web in mobile with Java/Android and also in mobile with C# / Unity. Along the way, you will learn the fundamentals of building a quality AR experience for your user.