“…Some mobile devices required Internet connectivity to download the mMR application while others were preinstalled prior to the study commencing. The majority of studies included iPhone and/or Android mobile phones (Albrecht et al 2013;Amer et al 2017;Bartlett et al 2017;Birt et al 2017aBirt et al , 2017bCowling and Birt 2018;De Oliveira et al 2013;Garrett, Jackson, and Wilson 2015;John et al 2015;Khelemsky, Hill, and Buchbinder 2017;Küçük, Kapakin, and Göktaş 2016;Morone et al 2017;Noll et al 2014Noll et al , 2017, with some also including tablets alongside the phones or as the sole means of mMR. The iPad was mentioned in the majority of tablet-led studies (Aebersold et al 2018;De Oliveira et al 2013;Garrett, Jackson, and Wilson 2015;John et al 2015;Khelemsky, Hill, and Buchbinder 2017;Kowalewski et al 2017;Küçük, Kapakin, and Göktaş 2016;Noll et al 2014Noll et al , 2017, while others used the iPad alongside other tablets or did not specify the brand or type (Garrett, Jackson, and Wilson 2015;Khelemsky, Hill, and Buchbinder 2017;Küçük, Kapakin, and Göktaş 2016;Moro et al 2017).…”