The aim of International Workshop on Mobile Applications (MobiApps 2015) is to foster interaction of researchers, exchange of new ideas, and to enhance communication between academia and industry in the area of Mobile Applications. MobiApps-2015 is co-located with The 12th International Conference on Mobile Web and Intelligent Information Systems (MobiWIS 2015) and The 3rd International Conference on Future Internet of Things and Cloud (FiCloud 2015)..