This paper presents findings from the deployment of a mobile application designed to enable students to learn more effectively in field studies. The mobile application supports students in a design task as part of their learning of HumanComputer Interaction design skills. It explores the challenges in implementing and deploying such an app in a pedagogic context. A number of evaluations were conducted to assess the design, usability and effectiveness of the app. Promising results show that the app has helped students in developing critical skills for designing technology.