Integrated usability model for the multimedia mobile device development

The mobile devices have grown rapidly with the progresses of information technology those years. The mobile devices, such as i-Phone, i-Pad, Tablet PC and smart-phone, have become personal and business tools. Those devices are specially developed for mobile users on the basis of the conceptual design of personal digital assistant (PDA) long time ago, but the scopes of the usages extend much more extensive through integrated multimedia needs.