: The version history mentions specific fixes for iOS 9 crashing issues and UI adjustments to enlarge the playable area by hiding seldom-used buttons. Technical Details in the Filename
The "Pro" version of this app is highly regarded for its realistic simulation of the traditional Chinese zither. Notable features include: : The version history mentions specific fixes for
: It can be set to follow only one hand while the app automatically plays the other, or to automate complex left-hand pressing actions. : Supports Pluck, Glissando, Tremolo (Shake), and Overtones
: Supports Pluck, Glissando, Tremolo (Shake), and Overtones. : Supports Pluck
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.