Design of Usable Interface for a Mobile e-Commerce System

The development of user interfaces for mobile devices is a challenging research topic as it addresses specific usage of mobile devices—users want rapid responses to their actions while minimizing the amount of information entered. Because of its nature mobile devices face many constraints such as limited size of display and motoric limitations on information input. Good usability is a primary requirement for interface design and is critical to attracting and retaining users, especially in business applications such as mobile e-commerce systems. In this paper, we analyze design principles of user interfaces for mobile devices, formulate requirements for a usable interface of a mobile application, describe model and architecture for interface of a developed PDN (Product Distribution Network) mobile ecommerce system and present its evaluation based on principles of controllability, predictability, unobtrusiveness, privacy and breadth of experience.