Hey...
I checked out OSA Kit awhile back.
It worked as advertised with my rather large project.
The reason I do not use it. Is because when a player downloads it... it downloads the entire game (same as if it was an actual full download). The game runs the same and has all the functionallity but I saw no real benifit with a large file size download. I could definatly see using this with very small games as then the download time would be quick and the owner can update the original package and when users return the update would be instant... It is definately a cool software.