This book constitutes the refereed conference proceedings of the 9^th International Conference on Mobile Wireless Middleware, Operating Systems and Applications, MOBILWARE 2020, held in Hohhot, China, in July 2020. Due to COVID-19 pandemic the conference was held virtually.
The 21 revised full papers were reviewed and selected from 69 submissions and are organized in tracks onMobilWare;Big data, data mining and artificial intelligence workshop; Blockchain and internet of things workshop.