This has been a recurring question: why create a new software instead of using sigrok/pulseview? First of all, I don't like it, I had very bad experiences with it (random crashes in multiple machines) ...
The Base Skin is where the majority of the files are drawn from, e.g., menu layout, hitsounds, and the rest of the keycounts, excluding the merging one. The Merge Skin is where the files for the ...