Full Papers: Screen and Power Limitations.- What Can You Say with Only Three Pixels?.- Investigating the Relationship Between Battery Life and User Acceptance of Dynamic, Energy-Aware Interfaces on Handhelds.- Full Papers: User Differences and Navigation.- Mental Models of a Cellular Phone Menu. Comparing Older and Younger Novice Users.- Using Landmarks to Support Older People in Navigation.- Full Papers: Evaluation and Evaluation Techniques.- Heuristic Evaluation and Mobile Usability: Bridging the Realism Gap.- Is It Worth the Hassle? Exploring the Added Value of Evaluating the Usability of Context-Aware Mobile Systems in the Field.- Home Is Where Your Phone Is: Usability Evaluation of Mobile Phone UI for a Smart Home.- User Validation of a Nomadic Exhibition Guide.- Social Networks and Mobile Games: The Use of Bluetooth for a Multiplayer Card Game.- Eye Movement Study of Reading on a Mobile Device Using the Page and RSVP Text Presentation Formats.- Full Papers: Tilt, Touch, and Text Entry.- Tilt-Based Automatic Zooming and Scaling in Mobile Devices – A State-Space Implementation.- An Evaluation of Techniques for Browsing Photograph Collections on Small Displays.- Variability in Wrist-Tilt Accelerometer Based Gesture Interfaces.- Full Papers: Auditory Interactions.- Mobile Note Taking: Investigating the Efficacy of Mobile Text Entry.- The Personal Audio Loop: Designing a Ubiquitous Audio-Based Memory Aid.- A Study on Gestural Interaction with a 3D Audio Display.- Full Papers: Device Differences and Web Pages.- A Study of Application and Device Effects Between a WAP Phone and a Palm PDA.- Personalization-Based Optimization of Web Interfaces for Mobile Devices.- Mixed-Initiative, Trans-modal Interface Migration.- Web Page Transformation When Switching Devices.- MobileContext Aware Systems: The Intelligence to Support Tasks and Effectively Utilise Resources.- Full Papers: Novel Interaction Techniques.- Usability of MobiVR Concept: Towards Large Virtual Touch Screen for Mobile Devices.- Handy: A New Interaction Device for Vehicular Information Systems.- Interactive Positioning Based on Object Visibility.- IDeixis – Searching the Web with Mobile Images for Location-Based Information.- Short Papers.- The Use of Landmarks in Pedestrian Navigation Instructions and the Effects of Context.- A Paper Prototype Study of the Interface for a Children’s Collaborative Handheld Learning Application.- Ubibus: Ubiquitous Computing to Help Blind People in Public Transport.- Improving the Effectiveness of Mobile Application Design: User-Pairs Testing by Non-professionals.- Pen-Based Gestures: An Approach to Reducing Screen Clutter in Mobile Computing.- Dynamic Primitives for Gestural Interaction.- Touch Detection System for Mobile Terminals.- Mobile Text Input with Soft Keyboards: Optimization by Means of Visual Clues.- Watch-Top Text-Entry: Can Phone-Style Predictive Text-Entry Work with Only 5 Buttons?.- Pair-wise Variability Index: Evaluating the Cognitive Difficulty of Using Mobile Text Entry Systems.- Xaudio: Results from a Field Trial Study on a Technology Enhancing Radio Listeners’ User Experience.- O2 Active: Enhancing User Experience on Mobile Phones.- A Prototype for Remote Vehicle Diagnostics.- Adaptive Portal Aggregation for Pervasive Client Devices.- Supporting Mobile Applications with Real-Time Visualisation of GPS Availability.- Bringing the Office to the Stables.- Comparison of Mobile and Fixed Use of SmartLibrary.- Automatic Partitioning of Web Pages Using Clustering.- Acoustic Features for Profiling Mobile Users ofConversational Interfaces.- Butler: A Universal Speech Interface for Mobile Environments.- Posters.- Learnability and Automatic Clustering of Images in Mobile Devices.- UbiquiTO: A Multi-device Adaptive Guide.- Visualizing the Thematic Update Status of Web and WAP Sites on Mobile Phones.- Adapting Web-Pages for Mobile / PC Collaboration.- EMG as a Subtle Input Interface for Mobile Computing.- Mobile Support for Team-Based Field Surveys.- “Please Turn ON Your Mobile Phone” – First Impressions of Text-Messaging in Lectures.- A Stereoscopic Image Rendering Method for Autostereoscopic Mobile Devices.- The Effects of Mobile Pedestrian Navigation Systems on the Concurrent Acquisition of Route and Survey Knowledge.- Supporting Museum Co-visits Using Mobile Devices.- Chording as a Text Entry Method in Mobile Phones.- Engaging Learners with Everyday Technology: A Participatory Simulation Using Mobile Phones.- One-Push Sharing: Facilitating Picture Sharing from Camera Phones.- Delivering Personalized Local Services.- Mobility Mapping – A Discount Technique for Exploring User Needs for Future Mobile Products and Services.- Memojog – An Interactive Memory Aid Incorporating Mobile Based Technologies.- JIKUKAN-POEMER: Geographic Information System Using Camera Phone Equipped with GPS, and Its Exhibition on a Street.- Visual Object Detection for Mobile Road Sign Inventory.- Integrated Care Plan and Documentation on Handheld Devices in Mobile Home Care.- CENTAUR: A Two-Panel User Interface for Mobile Document Access.- Smartphone Views: Building Multi-device Distributed User Interfaces.- The Lack of Intelligent Design in Mobile Phones.- Tutorials and Workshops.- Visual and Interaction Design for 3G Mobile Phone Interfaces.- Handheld Usability: Design, Prototyping, andUsability Testing for Mobile Phones, PDAs, and Pagers.- 3 International Workshop on: “HCI in Mobile Guides”.- Interaction Design for CSCL in Ubiquitous Computing.- Mobile HCI 2004 Workshop on Location Systems Privacy and Control.- Mobile HCI and Sound.- Second International Workshop on Mobile and Ubiquitous Information Access.- Panels.- Mobile Communications Versus Pervasive Communications: The Role of Handhelds.- The Myth of the ‘Martini Solution’.