Downloading the Game

SuperStar BTS is a game that currently is only officially released in South Korea. If you're outside the country, you need to bend your way a bit so you can start downloading the game.

Android-based Phones
Android phones can download the .APK file (installer file) from APKPure or QooApp. Your phone might warn you that this installation might damage your phone since it's not installed directly from Play Store, just proceed since these applications are trusted and won't bring malwares to your phone.

iOS-based (iPhone, iPad)
Go to your Apple ID settings and change your country to South Korea, or log in with an Apple ID that has South Korea set as its country. Note that you might lost your music/subscriptions if you're subscribed to Apple Music, proceed with caution.