Our news service provided to Doctors.net.uk has been on an iphone app available to doctors for some time now.
I have found this review of the app here:
http://itunes.apple.com/gb/app/medical-news/id339774460?mt=8&ign-mpt=uo%3D2
We'll be launching our own apps for the general public in the near future, for Android and other systems. Watch this space!