I think you can - see the related question. If in doubt - phone the customers service number for Oyster - they'll give you a definitive answer. A link to the Oyster website is provided below.
You can use your HTC One X as an Oyster card only if it is NFC enabled.
Oyster cards can only be used in London.
You can only use an oyster card in London and the outskirts of London.
You cannot use 'pay as you go' oyster cards at Romford station but you can use travel cards paid for on your oyster card. The reason for this is that the rail operator does not want to pay for the installation of the facilities but the local MP is pushing for Romford to have it installed
Nope, Not that i know of
You can use your oyster card the Tube, DLR, London Overground and most National Rail services within London.
Its Simple, Just swipe your card where the feature is avalible.
There is an oyster. I ate an oyster. Oyster.
£3 to buy it, then you usually have to put a pound on.
You can get an oyster card which you can use on all forms of transport in the capital or a daily travelcard. But you can't use a ticket you buy at a bus stop on a tube as well.
I do not like to eat oysters.
Yup.