And we are inside with our Combine PDFs tool. Also a few other apps from the REALbasic world are there, so check it soon.
If you like to make your own app for the Mac App Store you can use code from MacOSLib to check the receipt. Here is my variant which uses our CoreFoundation plugin classes instead of the MacOSLib CoreFoundation classes. As I use my plugins anyway, I'd prefer to have less code in my project:
And finally there is a guide for the Mac App Store from Thomas Tempelmann on the ARBP website or in the 9.2 REAL Studio Developer Magazine as well as a presentation on the REAL Studio Summit 2011.