This little app won’t be that useful on our upcoming trip to Britain, but we should be able to access it via hotel wifi. It’s called “Tewks London Tube.” The first screenshot shows our closest station as the crow flies. A Londoner might find this feature useful, especially when deciding between several nearby stations. For us, it’s just a little frustrating, as it’s several thousand miles away at the moment. The next screenshot is a close-up of the London Bus map, which shows plenty of detail as to routes and gives an idea of where to catch one of the…