I wish there would be more details. It reminds me of the very old Carbon Dater from Apple which used to tell you if your MacOS9 program ws compatible with Carbo

I wish there would be more details. It reminds me of the very old Carbon Dater from Apple which used to tell you if your MacOS9 program ws compatible with Carbon on MacOSX and tell you exactly which OS function were gone, which were deprecated and what the alternatives for them were. Is Centennial the same approach? Or is it a wrapper around your app, taking your straight executable and just failing OS calls that are not supported and forbidden?