App Store: https://apps.apple.com/us/app/spaceflight-simulator
Google Play: https://play.google.com/store/apps/details?id=com.StefMorojna.SpaceflightSimulator
Purchase on Steam: https://store.steampowered.com/app/1718870

More info, screenshots and FAQ:
https://teamcuriosity.com/

Wishlist the game now on Steam!
https://store.steampowered.com/app/2960460/Spaceflight_Simulator_2/