MusicaMila is a free mp3 downloader for Android that allows you to search and download free music. With this app, you can search by artist, song, genre, or by album. The results will be listed in a simple way so that you can choose to download the songs you want. 

You can also download videos. All the mp3 and video files will be downloaded to your device. This application is not only a music downloader, but you can also use it as a music player. You can listen to music even when your phone's screen is turned off.