“…Several authors have suggested that adding (fictional) stories to a design is an important dimension of gameful or playful design to drive engagement (Dickey 2006;Reeves and Read 2009;Langer et al 2013;Sakamoto and Nakajima 2014). One relatively common genre are tourism-focused mixed reality applications like REXplorer (Ballagas et al 2008)o rVoices of Oakland (Dow et al 2005).…”