How can I play a video in my Internet app in my video player on my Samsung Galaxy s5?

[Snipe Rider]

I watch many dramas on kissasian.com and other websites. I want to play the videos in my video player so it would be easier to watch in. Whenever I play the video it just goes in full screen mode not in my video player. Please help I have been looking for an answer forever.

 

[B. Diddy]

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