Any living being can be a patient, which may include human beings, animals, pets, etc. Patients under human being category may include businessman, social actors, political leaders, teachers, scholars, etc. These people may be busy in their everyday routine life schedule. If they are suffering from any kind of disease/illness, then usually it is their responsibility to get the right medicines in proper quantity at the right times. Presently, smartphones have become more prevalent and more significant among individuals around the globe. The technical specifications of the mobile devices have developed so much that it is possible to program these devices such that they can be helpful to people in reminding them to take their medicines. For example, patients can easily be reminded to take their medication prior to the medication time with the help of the alarm of a mobile medication reminder system. Such systems can also inform the health authorities when patients forget to take their medicines. In this book you can find the technical details required for developing a mobile medication reminder system.