config.xml

    <platform name="ios">
        <icon src="res/ios/icon-60.png"         width="60"  height="60"  />
        <icon src="res/ios/icon-60-2x.png"      width="120" height="120" />
        <icon src="res/ios/icon-60-3x.png"      width="180" height="180" />
        <icon src="res/ios/icon-76.png"         width="76"  height="76"  />
        <icon src="res/ios/icon-76-2x.png"      width="152" height="152" />
        <icon src="res/ios/icon-40.png"         width="40"  height="40"  />
        <icon src="res/ios/icon-40-2x.png"      width="80"  height="80"  />
        <icon src="res/ios/icon.png"            width="57"  height="57"  />
        <icon src="res/ios/icon-2x.png"         width="114" height="114" />
        <icon src="res/ios/icon-72.png"         width="72"  height="72"  />
        <icon src="res/ios/icon-72-2x.png"      width="144" height="144" />
        <icon src="res/ios/icon-29.png"         width="29"  height="29"  />
        <icon src="res/ios/icon-29-2x.png"      width="58"  height="58"  />
        <icon src="res/ios/icon-29-3x.png"      width="87"  height="87"  />
        <icon src="res/ios/icon-50.png"         width="50"  height="50"  />
        <icon src="res/ios/icon-50-2x.png"      width="100" height="100" />
        <icon src="res/ios/icon-83.5-2x.png"    width="167" height="167" />
    </platform>

    <platform name="android">
        <icon density="ldpi"    src="res/android/icon-ldpi.png"     />
        <icon density="mdpi"    src="res/android/icon-mdpi.png"     />
        <icon density="hdpi"    src="res/android/icon-hdpi.png"     />
        <icon density="xhdpi"   src="res/android/icon-xhdpi.png"    />
        <icon density="xxhdpi"  src="res/android/icon-xxhdpi.png"   />
        <icon density="xxxhdpi" src="res/android/icon-xxxhdpi.png"  />
    </platform>