The book presents the proceedings of the International Conference on Mobile Computing and Sustainable Informatics (ICMSI), which took place in Lalitpur, Nepal, 23-24 January 2020. The papers are dedicated to exploring the cutting-edge applications of mobile computing and sustainable informatics to enhance the future of mobile applications. The international conference serves a forum for researchers to address mobile networks, computing models, algorithms, sustainable models, and advanced informatics that supports the symbiosis of mobile computing and sustainable informatics. The papers cover almost all the areas of mobile networks, computing, communication networks and informatics.