This book constitutes the thoroughly refereed post-conference proceedings of the 9th International Conference on Mobile Computing, Applications, and Services (MobiCASE 2015) held in Osaka, Japan, February 28 – March 2, 2018. The 10 full papers and 13 demo/ poster papers were carefully reviewed and selected from 35 submissions. The conference papers are covering intelligent caching; activity recognition and crowdsourcing; mobile frameworks; middleware; interactive applications; and mobility.
