iOS contains powerful technologies you can use to make your app truly delightful. Learn how to take your app to the next level with easy-to-implement features such as Handoff and External Display support. Preserve that feeling of magic in your app with pro-tips that combine animations, gestures and layout, while keeping your scrolling smooth, and your code scalable. Dive into the anatomy of a launch to get your app responsive quickly, and learn some great debugging tricks from the pros!