A. 1. Delete unnecessary game data: Go to Settings > Apps > BLACKPINK THE GAME > Storage > Clear Data. Note that this will reset your game progress, so back up any important data first.
B. 2. Move the app to an SD card: If your device supports it, move the app to an SD card to free up internal storage. Go to Settings > Apps > BLACKPINK THE GAME > Storage > Change > SD Card.