– Link to the official Spaceflight Simulator subreddit, Discord, and the SFS Forum for legitimate part-sharing and blueprints.
The "Mod APK" is a modified version of the original game file. While the official game on the Google Play Store or App Store restricts certain parts and expansions until paid for or earned through gameplay, the Mod APK alters the game code to give players immediate access to everything. – Link to the official Spaceflight Simulator subreddit,