Use of mHealth to Increase Physical Activity for Patients Recently Hospitalized With Acute Heart Failure

"The Mobile Health Arm will receive standard of care including tailored prescription of physical activity as well as the mobile health intervention, which will have the following features:~* Goal setting for frequency and duration of exercise sessions~* Graphic feedback and reinforcement with educational and motivational messages tailored to user's exercise adherence.~* Problem-solving support~* Library with educational tips and information regarding physical exercise."