Step 1. First of all, you need to download and install the app Awesome Pop-up Videofrom Google play store.

Step 2. Once installed, you need to open the app, and it will load their recommended videos for you.
Step 3. You need to hit the search button and search for your preferred videos there.
Step 4. Just tap on the video that you want to play in the background. It will load the video for you to play in the background. Once loaded, you will see a pop-up appears loading the Youtube video.
That’s it you can now do whatever you want, your videos will always run in the background, you can do any task without closing the playing video