I think the Camera+ authors have seen iOS4 Sure, but it doesn't mean they had time time update to use every of the 1000's of feature changes that came with it.

I think the Camera+ authors have seen iOS4 Sure, but it doesn't mean they had time time update to use every of the 1000's of feature changes that came with it. This is why Flash as a competing platform is a terrible idea - it adds another stage of "rolling out <some feature> is blocked by <someone in another organization>".