Here is a little git repository I opened just for the lecture that I gave during the iOS TLV Meetup held at 14/07/2014 at Afeka.
The lecture can be found as a pdf under the name WWDC and Extentiosn.pdf Also the iBatman app is the app that was presented during the demo section.
Twitter - @livius16 Facebook - facebook.com/liviur
I do not own any rights for the images nor the naming Batman in anyway. If asked - this will be removed at once. I make no profit whatsoever from using this though.