the Apps that I found were under train spotting
but none of them were pre loaded lists more like writing apps to record what you see
There are no apps out yet that are like the books that are available
I know someone who writes a printed combine who says it would be a full time job to keep such an app up to date as users would demand constant uploads
http://www.wnxx.com/downloads/index.htm
gives UK railway downloads as MS Excel files but even they do not produce an app for any phone