Suggests compatibility with older hardware (iPhone 3GS) while maintaining 64-bit support for newer architectures.
Likely refers to a specific internal build or version number.
Downloading .ipa files from unofficial sources poses significant security risks, including malware or data theft. Official, safe versions should be obtained directly from the developer or authorized stores: Neutron Music Player - App Store
Frequently indicates a minimum OS requirement (e.g., iOS 9.0).
