START YOUR SPOTIFY PLAYLIST WITH SMARTTHINGS!!! FREAKING AWESOME!! I made a video and welcome any additional input.
The way for me to play Spotify playlist on any devices freely is to use a tool-Spotify Music Converter Windows to help me remove DRM protection and convert Spotify to MP3, AAC, M4A, M4B, FLAC, WAV, etc at faster speed with lossless quality. After conversion, it will be much convenient for you to download and play Spotify offline on any devices without limitation.