Next step: select factors like resolution and video quality. From there a quick tap on the arrow located at the bottom of your screen. Using your app is as simple as accessing the video of your choice through the in-app browser. 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. TubeMate 3 is the third official version of one of the best apps when it comes to downloading YouTube videos onto your Android.