St Johns have made a Free First Aid App for cyclists. It works on both Iphone and Android devices. It is a simple and highly effective way of turnign your phone into your mobile first aid.
The First Aid for Cyclists app has tips on how to turn your cycling equipment into first aid kit. The app aims to give every cyclist the skills to deal with the most common cycling injuries, including head injuries, cuts and grazes, and muscle injuries. Please download it and bring it with you on all your rides.