I have apps for my new SmartPhone that include the NWT, a KH finder, and two versions of the WT Library (limited to post-2000 pubs). Of course, if you are desperate you can login to JW.org and read the mags and books online.
It will be interesting to see how the Watchtower deals with this over time. I think they will take a hard line for a while if they see too many on their e-readers, smart phones, and pads. But they may not like the eventual reaction, especially from newer and younger members, if they ban the use of them completely around KHs and Assembly Halls. I guarantee you that the next generation now still in their "little boy" pants will not give up their electronics as easily as earlier generations.
I think that is a good thing. The WT and GB better learn how to deal with it and find a way to use the new technology to their advantage and not demonize modern communication technology they way they have done with computers, the Internet, and advance medical treatments. Eventually they will realize we are not herding sheep and fishing for mullet like the people of Bible times, but actually live in an era of instant communication, fast food, and bloodless surgery.
JV