You can use Android Pay to pay as you go on bus, Tube, tram, DLR, London Overground, TfL Rail, Emirates Air Line, Thames Clippers River Bus and most National Rail services in London. https://tfl.gov.uk/fares-and-payments/contactless/other-methods-of-contactless-payment/android-pay
https://tfl.gov.uk/fares-and-payments/contactless/other-methods-of-contactless-payment/android-pay
没有看到有人使用手机坐地铁和公交车。都是使用卡。