RecordAll is a free and high-quality screen recorder for Android. The best part is that it doesn't need root access, which makes it great for use on mobile devices. 

RecordAll allows you to record anything that's on your phone's display or is displayed on a window in your app. The video that's recorded is saved to your device's storage. 

How to Use RecordAll

Open the application. Open the settings and enable the option to record screen. Click the record button to start recording.

You can stop recording by pressing the stop button or closing the application. 

RecordAll has a simple interface, which allows you to record quickly and easily. The best thing is that it's free and easy to use.