You need to following these steps:
Add these to res/config.xml
<preference name="SplashScreen" value="screen" />
<preference name="SplashScreenDelay" value="10000" />
Then Add your screens in png format to the following folders
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-land-hdpi
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-land-ldpi
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-land-mdpi
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-land-xhdpi
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-port-hdpi
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-port-ldpi
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-port-mdpi
"Your Project Directory"\platforms\android\bin\res\crunch\drawable-port-xhdpi
An also in these folders
"Your Project Directory"\platforms\android\res\crunch\drawable-land-hdpi
"Your Project Directory"\platforms\android\res\crunch\drawable-land-ldpi
"Your Project Directory"\platforms\android\res\crunch\drawable-land-mdpi
"Your Project Directory"\platforms\android\res\crunch\drawable-land-xhdpi
"Your Project Directory"\platforms\android\res\crunch\drawable-port-hdpi
"Your Project Directory"\platforms\android\res\crunch\drawable-port-ldpi
"Your Project Directory"\platforms\android\res\crunch\drawable-port-mdpi
"Your Project Directory"\platforms\android\res\crunch\drawable-port-xhdpi
Refresh Your Project and then "Run".You are DONE.
Make sure the name of your screens is "screen.png" otherwise you may got an error in androidmanifest.xml and you have to change androidmanifest.xml also best approach is that your screens must b name as "screen.png".