Mobile devices such as smartphones are becoming an important point of access for a large number of services. Accordingly the interaction between the device and the mobile user is changing towards a mutual adaptation. In this paper we present a set of empirical results to support our claim that an interdisciplinary framework is required to build mobile interfaces that increase mobile user perceived added value. The main contribution of this paper lays in its adaptation of technology adoption models towards mobile devices to derive a set of design guidelines and its test design to derive relevant outcomes.