Want to move, copy or hide photos & videos in gallery?
Here is easy way.
1. Open your any existing photo/video Gallery
2. Select single or Multiple photos & Videos
3. Tap "Share" or "Send To" button
4. This app will appear in the list, tap it
5. Select destination album where you want to move/copy photos or videos.
6. To move in new album, type new album name
7. To hide photos/videos, select "Hidden Album" in list
It may crash on marshmallow on first time , try again.
Don't uninstall or reinstall.