A free program for Android, by Somesh.

Screen Recorder with Internal Sound is an easy-to-use recording tool for Android. This app is a lightweight and simple screen recorder that works even without an internet connection. You can use it to make tutorials and videos for your classes, upload videos to social media, record games, and much more.

It allows you to choose from a variety of options, such as the resolution and frame rate of your video. It also lets you set the recording time in seconds, as well as the audio level, and the volume.

The app is designed to be simple and easy to use, so you don’t have to worry about complicated settings.