With the launch of the Mac App Store about a month away, many developers are preparing their apps for distribution in a whole new way. However, they're finding that the store won't offer all of the features of its iOS counterpart, at least in its initial release. Specifically, Game Center and in-app purchases aren't supported.
9to5 Mac reports that Apple has informed developers of the news with two curt messages: "Note: In app purchases are not available for Mac OS X apps" and "Note: Game Center is not available for Mac OS X apps." That's too bad, as in-
