This app was mentioned in 1 comment, with an average of 1.00 upvote
Thanks for all your comments, guys, just a quick update: Nothing But Space is also available on the Google Play Store, completely free with no ads, with some changes compared to the PC version, if you want to check it out:
https://play.google.com/store/apps/details?id=com.Aemilius.NothingButSpace