There are apps that help users to hide pictures, videos, ringtones from the Android Gallery, Music apps. This app is to serve the reverse and that is attempt to "un-hide" them so you can see them appearing in the Android Gallery, Music etc apps.
The download of the app doesn't contain viruses or any kind of malware. Sgh is the creator of Show All Media which can be found in the Productivity category. The tool has been downloaded and installed by over 10 users and its latest update is dated Nov 7, 2016.
Users rated this application 4.6 on Google Play. Download the latest installer of Show All Media 6.0 for free and take a look at users' reviews on Droid Informer. The app is compatible with Android 2.2 and higher.