A free program for Android, by Solution Cat Ltd.

This app is a simple, user-friendly and effective workout planner and fitness coach. It provides you with detailed information on how to perform each of the exercises. 

With this app, you can easily follow an exercise plan to gain muscle, burn fat and tone your physique. You can also keep track of your weight and BMI to help you maintain a healthy weight and a healthy body.

In addition to the exercises, it has a built-in calisthenics workout and strength workout program. The app includes videos and images to help you visualize the movements. You can also set goals and track your progress.