Photoshop CS5 12.0.4
Adobe has released an update to Photoshop CS5, its popular image-editing app. The Adobe Photoshop 12.0.4 Update addresses several potential security issues and fixes crashes in a number of different filters, including Sharpen and Quick Selection. The big news, however, is the introduction of Remote Connections, a new feature that makes it possible for external mobile apps to connect and
communicate with Photoshop, including several iPad apps that Adobe itself is planning to release through the App Store “in the future.” (Free update, 19.7 MB)
I don't think this is a popular app. Mainly professionals use it and the great cost will be met by their companies.