KeepVid

This release does not have a Play Store Description, so we grabbed one from version 1.0.1.17:

Free Video Download
This free YouTube downloader for Android lets you download video directly on your device

Download Music
Download YouTube to MP3 with 320-Kbps quality has never been easier

Batch Download
Multi-tasking feature of this video downloader helps to download multiple videos at one time

Fast Download
Download YouTube videos on Android with fast downloading speed

Download HD Video
This HD video downloader for Android supports 2K, 4K, HD, and UHD videos.

Built-in Web Browser
Visit video site and download video directly within this Android video downloader

Search Video Directly
Search and download YouTube Video on your Android phone directly

Amazing Design
Integrated with extraordinary interface on this Android YouTube video downloader

Free Download Videos on Android
Download videos on your Android device easily and fast.
Fully Support to download YouTube, Facebook and other popular video sharing sites.
Search and download videos you want using KeepVid Android without opening any other app.
Download multiple videos simultaneously and dramatically save your time for the download.
Enable you to download HD YouTube videos on Android, including 1080p, 2K, 4K, HD and UHD, without compromising the video quality.

Download YouTube to MP3 on Android
Download YouTube videos to high-quality MP3 directly.
Enable you to get the music you want without compromising the audio quality.
Enjoy your downloaded music directly on your Android device without opening other media player app.

Supported Sites
youtube.com
dailymotion.com
facebook.com
lynda.com
instagram.com
vevo.com
abcnews.com
cbsnews.com
aol.com
vidio.com
123movies.to
hotstar.com
break.com
cloudy.ec
collegehumor.com
crunchyroll.com
discovery.com
ebaumsworld.com
funnyordie.com
genvideos.org
ispot.tv
liveleak.com
maker.tv
mixcloud.com
nbcnews.com
soundcloud.com
vimeo.com
vine.co