Well, actually they are aware of this and they might introduce an interesting concept in iOS7: http://oleb.net/blog/2012/10/remote-view-controllers-in-ios-...
Re:Forstall Out; Ive Up
by yusefnapora on Tuesday October 30, 2012 @07:25AM
(#4716937)
Thanks for posting that, I wasn't aware that they were using XPC for the Mail sheet, etc. Hopefully we'll see some neat things next year.
I have both an iPhone and Nexus 7, and I keep forgetting on N7 that sharing to Evernote doesn't require laborious app switching and cut and pasting. It's a very real, important piece of the puzzle that Apple hasn't even bothered trying to attempt.