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The use of mobile devices such as smartphones and tablets, and other ICT tools to facilitate healthcare delivery in the medical landscape, known as mHealth, has witnessed a phenomenal rise recently. In most mHealth systems, mobile devices are employed as services and health information client consumers. Thus, healthcare professionals use these devices to consume services which are running on back-end platforms. However, in a research collaboration with the Geriatrics Ward of the City Hospital in Saskatoon, Canada, we have identified a huge potential in facilitating the mobile device as a service hosting node. Hence, we developed a physically distributed information infrastructure, called SOPHRA, which aids the healthcare professionals to securely access and share patients' medical information which are hosted on their mobile devices. Since mobile devices establish communication over wireless …