A free program for Android, by Matt Duss.
This app is a simple and very handy application that will allow you to create and manage your music playlist easily. All you have to do is select a folder, and you will be able to generate and save a playlist that contains all the songs in this folder.
It is a very simple and intuitive application, so it is very easy to use, even if you have no knowledge of programming. You can also create your playlists in a very simple way, by simply adding the songs you like to a list.
If you want to know more about this app, you can visit the website.