Because Apple actively fights against performance overrides, the enterprise certificates used to sign Xy Game Booster often get revoked. If you open the app and it immediately crashes to a white screen, the certificate is dead. You will need to uninstall and wait for a new signed version of the IPA.
The "IPA" extension stands for "iOS App Store Package." It is the file format for iOS applications. Because Xy Game Booster violates Apple’s standard API guidelines (by killing background daemons and adjusting thermal throttling thresholds), it is not available on the official App Store. Users must download the file and sideload it using a computer or third-party signing service. Xy Game Booster Ipa