This book constitutes the thoroughly refereed post-conference proceedings of the Fourth International Conference on Mobile Computing, Applications, and Services (MobiCASE 2012) held in Seattle, Washington, USA, in October 2012. The 18 revised full papers presented together with 9 revised poster papers were carefully reviewed and selected from 51 submissions. The conference papers are organized in five topical sections, covering mobile application development, multi-dimensional interactions, system support and architecture, mobile applications, and mobile services.

This book constitutes the thoroughly refereed proceedings of the fourth International Conference on Mobile Networks and Management, MONAMI 2012, held in Hamburg, Germany, in September 2012. The 15 revised full papers presented were carefully selected and reviewed from numerous submissions. In addition two well-received workshops are presented: the second MONAMI Workshop on Smart Objects and the first Open Connectivity Services Workshop, organized in cooperation with the EU FP7 SAIL project. All in all, 25 papers were orally presented at the conference. The papers are organized in five...