File Manager Content help you manage many file on Galaxy Watch. - Video: mp4 type, play video, change volume, delete (can play video file with max 640x640 resolution) - Music: play music, change volume, set rington, delete - Image: view, set wallpaper, delete (image square is best for set wallpaper) - Document: only txt type file, view it, delete
Please using phone application to transfer file to Watch (Paid application)