Since the game is not on the App Store, you must "sideload" the IPA file using third-party tools. Hollow Knight Mobile: Can You Play It? - Ftp
: Most current "extra quality" IPA files are based on the final PC version, ensuring a stable experience with the complete Voidheart Edition content. hollow knight ipa extra quality
: Most versions require iOS 11.0 or later and are designed for 64-bit devices. Since the game is not on the App