It's also worth mentioning that screen recorders had to use workaround to try and capture the sounds your Android phone makes while recording before Android 10, so recording your phone's audio instead of just the external mic will depend on the app and what version of Android Need a screen recording app?
Tap the timestamp to reveal your recording options: Source: Ara Wagoner / Android Central Tap the pencil to annotate the screen.
Source: Ara Wagoner / Android Central A popup will appear asking you what audio you want to record with your screen recording.
The most popular Android phones on the market — the Samsung Galaxy S and Note lines — come with screen recording pre-installed, not that you'd know it from looking at the app drawer on your phone.
I wish screen recorders were a standard part of the Android experience, but for now, some manufacturers include it, some don't, and then there are third-party recording apps to help fill that void.