We’ve just launched a new version of AIR Marketplace. You can access it through this URL: http://airmarketplace.adobe.com/
And here are some of the new features:
· Easily search and download applications. Users can rate, review, comment and flag an application to provide valuable feedback. They can share applications with colleagues and friends, and also subscribe to RSS feeds from the Marketplace.
· A self-service web interface enables developers to manage their profiles and applications. Developers can also view download statistics, ratings and reviews through a new application dashboard
· If developers want to sell their application, they can submit the app to the Marketplace. In this case the Marketplace will not enable e-commerce transactions, but the users will be taken to the developers website to conduct the transaction.
LATER UPDATE: you can read here about what is marketplace.