This release does not have a Play Store Description, so we grabbed one from version 4.75.0.4751110:

More than 100,000,000 people chose snaptube to download videos and music for free to enjoy their favorite content offline or under unstable Internet.
Fast, easy and free to use.
With a great interface and simplified navigation, Snaptube lets you download videos from various platforms such as Youtube, Facebook, Instagram, Vine, DailyMotion, Twitter, WhatsApp and more! You can choose the resolution you prefer, ranging from mp4 to 4k.
Available in Android version, Snaptube lets you automatically convert a file to mp3 format. Simple, fast and convenient: once saved, the item can now be opened in your favorite music app.
In addition to the download tool, you can search on Snaptube for your favorite videos. You will find channels and playlists with content selected exclusively for you!
If you watch videos through Snaptube, you can use other apps at the same time! Through a floating window, the video keeps appearing on a mini screen while you browse the phone. And to further enhance your experience, we have a night mode for those times when you are in low light so your vision is not impaired!
Best of all: these features are for free! Come be a Snaptuber!