iceraven-browser/app/src/main/res/drawable-v23/splash_screen.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:drawable="@mipmap/ic_launcher_round"
        android:width="160dp"
        android:height="160dp"
        android:gravity="center" />
</layer-list>