Context-awareness is one of the rising trends of future mobile technology, and due to advances in technology development, new application and service concepts are being developed and demonstrated in an ever-increasing manner. This workshop brings together researchers and practitioners working on humancomputer interaction (HCI) aspects of context-aware mobile technology and communities to present their insights and research on new concepts, interaction design for mobile context-awareness, usability challenges, collaborative context-aware services and applications for supporting communities, and other topics related to HCI with mobile context-aware technology. Categories and Subject Descriptors H.5.m [Information Interfaces and Presentation (e.g., HCI)]: Miscellaneous. General Terms Design, Experimentation, Human Factors. Keywords Context-awareness, human-computer interaction, mobile computing, social networks.