I did read it. It did not say that the NSA had successfully achieved a remote install. It said they would pursue that possibility. And yes, some of those functions are achievable by today's apps. For example, you can remotely retrieve and deliver files to an iOS device using Dropbox and others, apps like Facetime and Skype can remotely capture audio and video, etc.You really need to read what has been published. Here is a quote from the NSA document