A free program for Android, by Javi Pacheco.
Kids Launcher – Parental Control is a free parental control application that can limit the access of children to applications and content on your Android device. It will help you keep them safe and help you to set limits on the screen time they have.
The app is designed to help parents to control the screen time of their children and to keep them safe. It has a simple and intuitive interface that makes it easy to use.
The screen time can be limited in a number of ways. For example, you can limit the access to social media, you can limit the access to gaming apps, or you can even limit the access to all apps.