This document provides information about the Aetna CarePass Developer Challenge, which aims to develop mobile applications to improve medication adherence. It introduces Aetna CarePass and the need for medication reminder solutions. The challenge will award $75,000 to the first place winner and $25,000 to the second place winner for developing an app that allows users to enter medications and receive reminders to take them. The app is also encouraged to provide medication cost information and integrate with the Aetna CarePass platform. The submission deadline is August 17th and winners will be announced in October.