could result in a loss of spare time, or a phone call interruption could ruin the experience. The overarching message to take from all this is to be mindful of the environment for which you are designing the app. Unlike any piece of software before it, the app has become a viral snippet that everyone can enjoy. Sound like a lot of hardwork? Well it is, but get it right and you can experience download figures even companies like Activision and well, Disney, would be pleased with.