Open the app, and when you press hide button, it will upload all of your videos into it, and select the videos that you want to hide.
And all the videos will be hidden from gallery as well.
Multi-select feature to import hundreds of videos quickly.
This application is video file hide expert, so do not worry, everything is hidden on your phone only and not on cloud storage.
Similarly to unhide, press the unhide button and select the video that you want to unhide, and that particular video is unhidden now.
Do not delete .NOMEDIA folder.