I use AudFree Spotify Music Converter. What about you? Is there any Spotify downloader to share? An app for Android is the best.
To download Spotify songs to MP3, you need a third-party tool since Spotify files are protected with DRM and aren’t saved as regular audio files on your device. The article you shared breaks down several ways to do this: Top 5 Ways to Download Spotify Playlist to MP3.