"Sparkle" is a set of plain Windows DLL and two optional components created either to add a "Build Flash Screen Saver" feature to your existant product or to be an "engine" of your standalone "screen saver builder" application.
This set of DLL, ActiveX and/or Delphi component lets your software user to create a full-featured, distributable screen saver using your application and Macromedia Flash movie (*.swf).