Screen Recorder is an app help you easy Record Screen and Take Screenshot anywhere.
Request recording internal sound here https://issuetracker.google.com/issues/129557918
Beta version: https://play.google.com/apps/testing/com.kimcy929.screenrecorder
Q: Why the app doesn't support record internal sound?
A: Android doesn't public API to support 3rd party app so the MIC is the only way.
Q: Why the app can't record a call, Whatapps, PUGB or other apps that use the MIC?
A: Two apps can't use the MIC at the same time. It will conflict hardware so you need to turn off the feature "Record sound" in the settings this app.
NOTE: If you are using XIAOMI device, please do the following:
You must go to security -