“…The review of the literature was conducted as per previously described methods 1,6 using title word searches within the MEDLINE, PubMed, PsychInfo, Embase, Science Citation Index, Social Sciences Citation Index, Telemedicine Information Exchange databases, Centre for Reviews and Dissemination and The Cochrane Library Controlled Trial Registry databases for the period of May 2003 to May 2018. Primary words: apps, behavior, cognition, cognitive, devices, function, mobile, patient, practice, quality, satisfaction, service, smartphones, and technology.…”