Help you to find unseen / cache video. Free up storage space.
Why my devices have these unseen / cache video? Most of video app will cached the short video (the short video ads) on your device without MP4 file extension to avoid displaying thumbnail in your Gallery.
Why? PERFORMANCE! Replay these video as soon as possible.
If you found these video but rename them with MP4 file extension, they will be displayed in your Gallery, so, do not RENAME them!
