Background: With restrictions on face to face clinical consultations in the COVID-19 pandemic and the challenges faced by health care systems in delivering patient care, alternative information technologies like telemedicine and smartphone are playing a key role. Aims: We assess the role and applications of smartphone technology as an extension of telemedicine in provide continuity of care to our patients and surveillance during the current COVID-19 pandemic. Methods: We have done a comprehensive review of the literature using suitable keywords on the search engines of PubMed, SCOPUS, Google Scholar and Research Gate in the first week of May 2020. Results: Through the published literature on this topic, we discuss role, common applications and its support in extended role of telemedicine technology in several aspects of current COVID-19 pandemic. Conclusion: Smartphone technology on its own and as extension of telemedicine has significant applications in the current COVID-19 pandemic. As the smartphone technology further evolves with fifth generation cellular network expansion, it is going to play a key role in future of health medicine, patient referral, consultation, ergonomics and many other extended applications of health care.