The file name you mentioned refers to , a specialized iPad multitasking application developed by Yannik Schrade . It was designed to bypass the traditional "mirroring" limitations of iPadOS, allowing users to use an external monitor as a true second screen without black bars. ShiftScreen v3 User Review & Performance
Based on community feedback and expert reviews, here is an assessment of the app's utility: Secondary Monitor Support on iPadOS14 | Shiftscreen 3.0
