Turns out it's Tom Tom. Worth every penny.
Freeware - probably mortscript, as I do seem to write a lot of little scripts for this bugger - but then I'm a coder.
I seem to be looking at s2u2 a lot
Makes the phone useful for a quick peek at the time & next calendar item. Honestly I probably turn it on 5-10 times a day and don't even unlock it...