Emotions as such is a research topic with a lot of coverage in various domains (neuroscience, psychology, medicine, criminology and more recently in user experience research). This workshop addresses multidisciplinary approaches, discussing ways of implementing mobile research about emotions. Particularly, this workshop aims to improve the assessment of emotions in the mobile context of field research. The workshop addresses particularly the state-of-the–art in emotion measurement and investigates the possibilities to apply and adopt these methods in the field of mobile HCI. Categories and Subject Descriptors H.5.2. [User Interfaces]: Evaluation/methodology. General Terms Measurement, Human Factors. Keywords Emotions, user experience, mobile measurement, physiology, mobile evaluation methods.