"How to Lose Weight by Exercise" is a self-assisted eHealth solution that offers systematic workout and diet plans for weight loss and body shaping. The program includes a variety of workouts targeting arms, buttocks, abdomen, and legs, with animations and video guidance for proper execution. It requires no equipment, allowing users to conveniently exercise at home or anywhere. Users can track their exercise statistics to optimize workouts and monitor progress, while calorie counting and target setting provide self-encouragement. Additionally, workout and calorie data can be synchronized with Google Fit. The app focuses on health issues related to non-communicable diseases, chronic conditions, and health promotion.