Yuanmin Cui developed the Selective Application Tracing feature for the LunarG/gfxreconstruct repository, enabling targeted tracing of a single application in multi-app environments, including those using Vulkan rendering. By implementing app-name based capture, Yuanmin allowed users to focus analysis on a specific process, reducing extraneous data and streamlining debugging. The work leveraged C++ for system programming and multithreading, ensuring efficient and reliable trace capture. The feature was linked to a specific commit for traceability and reproducibility, laying a foundation for future enhancements. This contribution addressed the need for more focused debugging tools in complex, multi-application development scenarios.