Creating easy to use products is actually quite hard. There’s a lot of art and science behind creating a lovable user interface. Learning the User Experience Design basics will help you and will give you pointers for where to learn more.
User experience design (UXD, UED or XD) is the process of enhancing user satisfaction by improving the usability, accessibility, and pleasure provided in the interaction between the user and the product. User experience design encompasses traditional human–computer interaction (HCI) design, and extends it by addressing all aspects of a product or service as perceived by users.