Welcome to the Community, @Jefferson_Mendoza_Sa 
Thanks a lot for the feedback!
We already have a request for the Video Gallery app, and you can upvote it here - Video Gallery.
As for the YouTube Gallery widget, I’d like to note that you can play videos right on your website. For this, you just should choose Inline or Popup as a Play mode in the Video section on the Layout tab:
Feel free to try it out 