Android SplashMaintainAspectRatio not work

The splash screen is loaded and the delay work well but it is deformed.

I'm using
apache cordova: 4.3.0
splashscreen plugin version: 3.2.1-dev
visual studio community 2015
android 5.1.1 and others

i have tried this 2 configurations:

FIRST: all the preference out

<preference name="SplashScreen" value="screen" />
<preference name="SplashScreenDelay" value="3000" />
<preference name="SplashMaintainAspectRatio" value="true" />
<preference name="SplashShowOnlyFirstTime" value="false" />
<platform name="android">
<splash src="res/screens/android/s-hdpi-l.png" density="land-hdpi" />
<splash src="res/screens/android/s-ldpi-l.png" density="land-ldpi" />
<splash src="res/screens/android/s-mdpi-l.png" density="land-mdpi" />
<splash src="res/screens/android/s-xhdpi-l.png" density="land-xhdpi" />
<splash src="res/screens/android/s-hdpi-p.png" density="port-hdpi" />
<splash src="res/screens/android/s-ldpi-p.png" density="port-ldpi" />
<splash src="res/screens/android/s-mdpi-p.png" density="port-mdpi" />
<splash src="res/screens/android/s-xhdpi-p.png" density="port-xhdpi" />
</platform>

SECOND: specific reference in

<preference name="SplashScreen" value="screen" />
<preference name="SplashScreenDelay" value="3000" />
<platform name="android">
<preference name="SplashMaintainAspectRatio" value="true" />
<preference name="SplashShowOnlyFirstTime" value="false" />
<splash src="res/screens/android/s-hdpi-l.png" density="land-hdpi" />
<splash src="res/screens/android/s-ldpi-l.png" density="land-ldpi" />
<splash src="res/screens/android/s-mdpi-l.png" density="land-mdpi" />
<splash src="res/screens/android/s-xhdpi-l.png" density="land-xhdpi" />
<splash src="res/screens/android/s-hdpi-p.png" density="port-hdpi" />
<splash src="res/screens/android/s-ldpi-p.png" density="port-ldpi" />
<splash src="res/screens/android/s-mdpi-p.png" density="port-mdpi" />
<splash src="res/screens/android/s-xhdpi-p.png" density="port-xhdpi" />
</platform>