Have you ever wondered what makes good app design? Why some apps are more popular than others? What exactly makes an app so addictive that finds millions of people willing to interact time and time again? In this article from Smashing Magazine, Nadine Kintscher gives a powerful analysis of how User Experience (UX) and psychology go hand in hand when designing an app that solves the right problem in an efficient and enjoyable manner. When an app design is based on good UX customers/users will intuitively seek to return to the app over and over again because is self-explanatory, clear to navigate, fast to load and solves their need (what in app development circles we generally call user engagement). Find out more here.