A free app for Android, by Govo Tech by Volio.
Smart Recovery: Photos, Restore is an application that allows you to recover all of your lost photos and files. If you have lost any of your photos or videos due to a mistake or if you have deleted them to free up space, then Smart Recovery will be the perfect app for you to restore them.
This application will make your life easier. You will not have to manually search for each file. Just select the type of recovery you want and the recovery will start. It will search all of your lost files and will display them in a list. You can preview them and decide if you want to restore them or not. If you want to restore them, just click on the desired photo or video and it will be restored to your phone.
If you want to preview your lost photos or videos, you can do that by just clicking on the photo or video you want to see. It will open the file in a new window. You can also do the same thing by opening the recovery window and then clicking on the photo or video you want to see.