document: https://developer.apple.com/testflight/ https://itunespartner.apple.com/en/apps/overview Reference: https://www.youtube.com/watch?v=1CcCKQHjDpw App Store Connect: https://appstoreconnect.apple.com/WebObjects/iTunesConnect.woa/ra/ng/app/1445478142/testflight?section=alltesters