A free program for Android, by Viraj App Tech.

If you are searching for a good screen recorder app with record sounds, then Video Call Recorder For Whatsapp is the best choice. It is one of the best and top-ranked screen recording and sound recording applications for Android. You can record the screen of the phone and also capture the sound. 

The application is designed with a simple user interface that makes it very easy to use. You just need to open the application and click on the record button. You will get a notification when you are recording a video call. You can start and stop recording by clicking on the notification. The recorded video will be saved in the folder of the application.