It will allow you to find and download any Youtube video, which will allow you to later see them on your phone even when you do not have an Internet connection.
Functions:
You can choose the SD card to store the videos by default; you can choose any location, and you have the option to choose the size and format of the video before downloading.
How to use:
Just use the browser integrated in the app with which you can find the video you want on Youtube and then click on the green arrow on the bottom to start downloading.
Languages:
English, Spanish, Italian, French, Portuguese, German, Russian, Chinese and Japanese interface.