http://www.gridmetric.com/products/ave.html


Building on the success of hugely popular SFT Explorer - trusted by thousands of App-V professionals around the world - Application Virtualization Explorer (AVE) introduces a new era in App-V package editors and viewers. AVE adds several new exiting features into already familiar and easy to use and understandable interface. AVE is not SFT only viewer anymore, but full-blown App-V package editor which targets all use cases for App-V packages, be it SCCM integrated use, traditional App-V infrastructure or custom delivery method with App-V package MSIs.

--> The rest is on  Fabien Perrier's Blog :

http://msapp-v.blogspot.com/2010/05/premium-app-v-package-editor-and.html