: 3gs . This is a legacy tag often used by older IPA libraries, though it is contradicted by the 64bit tag later in the string.
: bfi2 . A specific tag used by the original uploader or the automated system that archived the file. File Extension : .ipa (iOS App Store Package). Security and Ethical Consideration
: v100967 . This likely refers to the specific build number of the application binary. 2. Architecture and Compatibility