A free program for Android, by The Destinators.

All Video Downloader is an application for downloading videos from social media sites such as Facebook, Instagram, Twitter, Tiktok, and many others. All you need to do is open the application and paste the link of the video you want to download. It will automatically start downloading.

You can also choose to download the videos in a format that you prefer, such as mp3, m4a, mp4, m4v, mov, avi, wmv, doc, xls, pdf, txt, jpeg, png, etc.

The application also has an option for generating live wallpapers, which you can use as a background for your device.