mobile/mobile-android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
<?xml version="1.0" encoding="utf-8" ?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>