Play videos and slideshows in Photos on iPad
Use the Photos app to play videos you’ve recorded or saved on your iPad. You can also create slideshows of the photos, videos, and Live Photos in your library.
Play a video
As you browse photos and videos in the Photos app, tap a video to play it on your iPad. While it plays, you can do any of the following:
Tap the player controls at the top of the screen to pause, unmute, favorite, share, delete, or see video information; tap the screen to hide the player controls.
Double-tap the screen to toggle between full screen and fit-to-screen.
Touch and hold the frame viewer at the bottom of the screen to pause the video, then slide the viewer left or right to move back or forward.

Make and play a slideshow
You can create a slideshow to view a collection of photos and videos that you choose from your library. Slideshows are automatically formatted and set to music.
Tap Library.
View photos by All Photos or Days, then tap Select.
Tap each photo you want to include in the slideshow, then tap
at the bottom of the screen.
Tap Slideshow from the list of options.
To change the slideshow theme, music, and more, tap the screen while the slideshow plays, then tap Options at the bottom of the screen.
Note: You can also make a slideshow from an album. Tap the album you want to create a slideshow from, then follow the steps above.