Mp3 Downloader is the best application for downloading free music from the Internet and your device. It's a simple and easy-to-use app that allows you to download mp3s, as well as other types of audio files, right to your Android phone.

Once you open the app, you will see a list of the available songs on the Internet. You can choose to download them by clicking on the download button beside the song name. You can also browse through the entire catalog by selecting the genre or the artist.

You will then be taken to a new screen where you can choose the mp3 format.  The app has a built-in music player that will allow you to listen to your downloaded music right from the app.