This app can change the wallpaper in random and at certain intervals.

1-It uses your own wallpaper pictures.

2-No internet data used since the photos are already on your phone.

3-Use unlimited number of photos as long they are in one folder.

4-App will stop changing wallpaper if battery runs below 25%.

5-Does not work when the screen is off;

6-Easy to use.

---- create a folder or use an existing photo folder.

----copy file location and pasted in.

----enter time interval between wallpaper change.(in minutes)

----tap save.

7-Works on all devices and screen sizes.