All Video Downloader,Mp4 Download is the best app for downloading mp4 video and mp3 music files. With its simple interface, you can easily download videos and songs from various social media platforms and play them on your phone. You can even download them in a couple of clicks. The app supports mp4 and mp3 format and works on Android devices. The only thing you need to do is to select the desired video or song and click on the download button. All files will be saved to your device and you can view them later on your phone. The download process will be interrupted if there are too many files or if the network speed is too slow.