BabyGallery is a totally free photo and video viewer app for kids and babies. With BabyGallery, you don't need to worry about that your baby or kids delete your photots or videos, or share them to strangers, or anything else that will mess up your phone.
Features:
Simple: Only can view photos / videos, delete, edit and other functionalities are not supported.
Lock: You can lock this app then settings are also disabled.
Pin: Pin this app to prevent switching to other apps.
Max volume: Set max volume when playing videos, too loud volume may scare your baby.