I’m not sure I’d be the best person for that. It’s used in either Adobe Camera Raw inside of Photoshop, or Lightroom.
This video might help a bit with the overall understanding!:
Final Cut Pro X mainly! Sometimes Premiere Pro CS6!
I bounce all over VSCO, I have all 5 packs. I am really digging the Polaroid films lately! But usually I start with one as a base, and tweak it to my own so it eventually doesn’t look anything like it’s original filter.