How to play full screen video of YouTube on ExternalDisplay?

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http://stackoverflow.com – I'd like to work out the following by using ExternalDisplay(Presentation.class) is new function of Jelly Bean. Ex) PrimaryDisplay(AndroidSmartphone):resume, document, description,, Secondary(TV):reference movie, movie of lesson,,, I want to play full screen movie of YouTube on SecondaryDisplay. Presentation class http://developer.android.com/reference/android/app/Presentation.html YouTube Android Player API https://developers.google.com/youtube/android/player/ There are two ways to play YouTube videos. But, there is the following issue of each way. 1.The first option is to place a You (HowTos)