Cordova icon and splash screen configuraiton - http://cordova.apache.org/docs/en/edge/config_ref_images.md.html

cordova-icons-and-spalsh-config.xml

<!-- Android -->
  <platform name="android">
<!-- Icons -->
    <icon  density="ldpi" src="res/icons/android/48.png"/>
    <icon  density="mdpi" src="res/icons/android/72.png"/>
    <icon  density="hdpi" src="res/icons/android/96.png"/>
    <icon  density="xhdpi" src="res/icons/android/144.png"/>
<!-- Splash -->
    <splash  density="land-ldpi" src="res/splash/android/drawable-land-ldpi-screen.png"/>
    <splash  density="land-mdpi" src="res/splash/android/drawable-land-mdpi-screen.png"/>
    <splash  density="land-hdpi" src="res/splash/android/drawable-land-hdpi-screen.png"/>
    <splash  density="land-xhdpi" src="res/splash/android/drawable-land-xhdpi-screen.png"/>
    <splash  density="land-xxhdpi" src="res/splash/android/drawable-land-xxhdpi-screen.png"/>
    <splash  density="land-xxxhdpi" src="res/splash/android/drawable-land-xxxhdpi-screen.png"/>
    <splash  density="port-ldpi" src="res/splash/android/drawable-port-ldpi-screen.png"/>
    <splash  density="port-mdpi" src="res/splash/android/drawable-port-mdpi-screen.png"/>
    <splash  density="port-hdpi" src="res/splash/android/drawable-port-hdpi-screen.png"/>
    <splash  density="port-xhdpi" src="res/splash/android/drawable-port-xhdpi-screen.png"/>
    <splash  density="port-xxhdpi" src="res/splash/android/drawable-port-xxhdpi-screen.png"/>
    <splash  density="port-xxxhdpi" src="res/splash/android/drawable-port-xxxhdpi-screen.png"/>
  </platform>
<!-- iOS -->
  <platform name="ios">
<!-- Icons -->
<!-- iOS 8.0+ -->
<!-- iPone 6 Plus  -->
    <icon  height="180" src="res/icons/ios/icon-60@3x.png" width="180"/>
<!-- iOS 7.0+ -->
<!-- iPhone / iPod Touch  -->
    <icon  height="60" src="res/icons/ios/icon-60.png" width="60"/>
    <icon  height="120" src="res/icons/ios/icon-60@2x.png" width="120"/>
<!-- iPad -->
    <icon  height="76" src="res/icons/ios/icon-76.png" width="76"/>
    <icon  height="152" src="res/icons/ios/icon-76@2x.png" width="152"/>
<!-- iOS 6.1 -->
<!-- Spotlight Icon -->
    <icon  height="40" src="res/icons/ios/icon-40.png" width="40"/>
    <icon  height="80" src="res/icons/ios/icon-40@2x.png" width="80"/>
    <icon  height="120" src="res/icons/ios/icon-40@3x.png" width="120"/>
<!-- iPhone / iPod Touch -->
    <icon  height="57" src="res/icons/ios/icon.png" width="57"/>
    <icon  height="114" src="res/icons/ios/icon@2x.png" width="114"/>
<!-- iPad -->
    <icon  height="72" src="res/icons/ios/icon-72.png" width="72"/>
    <icon  height="144" src="res/icons/ios/icon-72@2x.png" width="144"/>
<!-- iPhone Spotlight and Settings Icon -->
    <icon  height="29" src="res/icons/ios/icon-small.png" width="29"/>
    <icon  height="58" src="res/icons/ios/icon-small@2x.png" width="58"/>
    <icon  height="87" src="res/icons/ios/icon-small@3x.png" width="87"/>
<!-- iPad Spotlight and Settings Icon -->
    <icon  height="50" src="res/icons/ios/icon-50.png" width="50"/>
    <icon  height="100" src="res/icons/ios/icon-50@2x.png" width="100"/>
<!-- Splash -->
    <splash  height="1136" src="res/ios/splash/Default-568h@2x~iphone.png" width="640"/>
    <splash  height="1334" src="res/ios/splash/Default-667h.png" width="750"/>
    <splash  height="2208" src="res/ios/splash/Default-736h.png" width="1242"/>
    <splash  height="1242" src="res/ios/splash/Default-Landscape-736h.png" width="2208"/>
    <splash  height="1536" src="res/ios/splash/Default-Landscape@2x~ipad.png" width="2048"/>
    <splash  height="768" src="res/ios/splash/Default-Landscape~ipad.png" width="1024"/>
    <splash  height="2048" src="res/ios/splash/Default-Portrait@2x~ipad.png" width="1536"/>
    <splash  height="1024" src="res/ios/splash/Default-Portrait~ipad.png" width="768"/>
    <splash  height="960" src="res/ios/splash/Default@2x~iphone.png" width="640"/>
    <splash  height="480" src="res/ios/splash/Default~iphone.png" width="320"/>
  </platform>