: This is likely a unique internal ID or build number associated with the developer's release.
: Indicates it is a Universal binary (working on both iPhone and iPad) optimized for 64-bit processors. IPA : The standard file format used for iOS applications. : This is likely a unique internal ID
: It can be set to follow only one hand while the app automatically plays the other, or to automate complex left-hand pressing actions. : It can be set to follow only
The "Pro" version of this app is highly regarded for its realistic simulation of the traditional Chinese zither. Notable features include: The name suggests it is an IPA file
The string you provided appears to be a specific filename for an older version of the app for iOS. The name suggests it is an IPA file (iOS application archive) for the Pro version, specifically version 9.0 (or similar), designed to be compatible with 64-bit architecture and iOS 9.0 or later.
Downloading IPA files from unofficial sources can pose security risks. It is recommended to use the official App Store to ensure you have a safe, updated version that supports modern features like AirPlay audio and high-quality stereo samples. iGuzheng⁺ - Pro version - App Store - Apple