“…FSS-2 and DFS-2 have been translated and validated in various languages, especially often in the context of sports ( Doganis et al, 2000 , Fournier et al, 2007 ; Calvo et al, 2008 ; Kawabata et al, 2008 ; Gonzalez-Cutre et al, 2009 ; Gouveia et al, 2012 ; Crust and Swann, 2013 ; Riva et al, 2017 ; Nojavan et al, 2017 ), but also learning, recreation, well-being ( Whitmore and Borrie, 2005 ; Asakawa, 2010 , Rufi et al, 2014 , Souza Costa Correia et al, 2020 ), gameplay and internet games ( Wang et al, 2009 ; Procci et al, 2012 ; Hamari and Koivisto, 2014 ), mental diseases ( Huang et al, 2019 ).…”