Transport for London has launched a competition to encourage developers to create mobile applications for its network that will make real time data more accessible to disabled and elderly passengers, The applications must provide solutions to help improve the experience of passengers with special needs who find conventional information challenging.

The Nexus 4 is a powerful and very smooth high-end smartphone Google sells at a reasonable price. It runs with Android 4.2 (Jelly Bean) which includes accessibility features that enable users with visual disabilities to use it with no problems. It also comes with a wireless charger that is sold separately though not yet available for all countries.