How to change the ic_launcher_round.png folder content?
You can try to go on AnroidManifest.xml
and change path
android:roundIcon="@mipmap/ic_launcher_round"
to
android:roundIcon="@mipmap/ic_launcher"
The latest Android Studio generates round icons for you: Right-click the res
folder, select Image Asset:
See https://dev.to/_s_farias/how-to-create-adaptive-icons-for-android-using-android-studio-459h for a more detailed walkthrough (Credit of @Guillaume Raymond).