Is there a way to "freeze" a picture when passing around a phone or tablet?

[AC Question]

I like to show people pictures on my droid Maxx or LG gpad 8.3, but when I hand them the device, the screen either times out and goes blank, or it rotates around, or they touch it accidentally and messes it up. I would like there to be a screen lock just for passing around photos that elderly people can view and not worry about losing the picture. That happens all the time, they'll pass it around, trying to be careful, but it seldom works, and I end up having to get the device back and pull the picture up again and tell them not to touch the screen. They get a little defensive, and I understand. Any suggestions?
Scott

 

[Fedginator]

If you have lollipop then screen pining will be in settings

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