The epidemic of obesity has become a global issue due to its high correlation with several serious diseases like Type II diabetes. The main concentration of this work is the diabetes self-management encouraging elderly diabetics in performing physical activity. This aspect of lifestyle modification is supported with the self-implemented mobile application named "DiaSport". "DiaSport" is implemented to assist elderly diabetics in monitoring the relationship between their physical activity and health condition and to encourage them to make an educated choice regarding their lifestyle. This...