GomoTube one of the best apps when it comes to downloading YouTube videos onto your Android. Thanks to this app you can store all your favorite YouTube videos locally onto your device memory and watch them later on at your leisure without an Internet connection.
Using your app is as simple as accessing the video of your choice through the in-app browser. From there a quick tap on the arrow located at the bottom of your screen. Next step: select factors like resolution and video quality. Your options are: 1920x1080, 1280x720, 640x360, 176x144, etc. Plus you designate which file format you want for your videos: MP4, MP3, WEBM, OGG. Downloaded videos are stored by default onto your smartphone, but you can also download them directly onto your SD card. Definitively GomoTube tool that's really easy to use and has the added appeal of allowing you to download any video file off of YouTube within seconds. This version of the app also has a very elegant interface that's a major improvement on earlier versions.
In addition to downloading audio and video, you can use GomoTube-YouTube Downloader to manage your channel just like on the YouTube app, meaning you can use this app instead of the official one while downloading videos, to boot.