Not what I hoped for

Was hoping it would allow you to enter cmyk values and a particular swatch book to find the closest match. I realize that having it come back with the closest from all the books is probably useful to most ... I am limited to the books I can view. Just thought an option to choose the reference book and select your color independently was the point. Or Im missing something ... Which is easy since theres absolutely no help within the app.

iPhoneNewb2011 about myPANTONE™ X-Ref, v1.2.0