I think Spotify should be careful, there are other alternatives, and maybe we’ll see a price war soon. Spotify is not solving music in a differentiated way anymore. Some might say that their algorithms are the best, but I find the app Mixonset much better. I miss Rdio.
Here’s a downloadable source. I haven’t tried it. Not sure if it is safe: https://www.myabandonware.com/game/airlines-2-iky