What's new in Version 1.6.1
Keynote 1.6.1 works with iCloud to make presentations automatically available between your iOS device and Keynote on your Mac*. Changes made to a presentation on one device are instantly available on the other.
*Requires Keynote 5.2 or later installed on OS X Mountain Lion
Mac 기반 어플인데 iPad/iPhone 으로도 유용하실것같네요
연동해서 잘 쓰시길 바래요