: Likely refers to the minimum OS requirement (iOS 9.3) or a specific optimization.
This naming convention is typical of third-party repositories or archive sites that host older or "unlocked" versions of mobile games. Breakdown of the Filename : The popular strategy game by Ndemic Creations. : Likely refers to the minimum OS requirement (iOS 9
: Short for "Universal," meaning the app is designed to work on both iPhone and iPad. : Likely refers to the minimum OS requirement (iOS 9
: Files from "hidden" or "user" directories on unofficial sites often contain malware or adware. Since IPA files require significant permissions to run, installing them from unverified sources can compromise your device's security. : Likely refers to the minimum OS requirement (iOS 9