The question was thus:
"Can I maintain and update Roadwork, write features and upload photos, solely using a state of the art phone like my Girlfriend's brand new Nokia Lumia, something I've wanted to be able to do for ages?"
The answer, it appears, is No.
Not just yet, anyway. More to come on this exciting topic very soon, except this time I'll use the computer; the old-fashioned, non-portable way.
Here is an experimental post, an attempted live blog on Christmas day.