Abstract
This paper reports on the research topics and goals for my Ph.D. In the opening, game-based learning and co-design are overviewed. Issues emerging from the surveyed literature are used to frame the research goals of my Ph.D., broken down into propaedeutic objectives. The paper continues presenting the co-design studies for tackling the stated objectives, and focuses on the study conducted with tablets. The design of this study is discussed rather in details so as to foster the discussion and gather expert feedback from CHItaly community. The paper ends recapping the main lessons learnt across the co-design studies.