I've updated the first section of the FAQ. I hope that some clarity there will reduce the number of off-topic questions we've been getting.
I welcome any suggestions for improvement.
Here's some other posts on meta which have helped:
I like it :-)
Maybe you could change
Professional and enthusiast programmers, ask on Stack Overflow.
Professional and enthusiast Android programmers, ask on Stack Overflow.
under What kind of questions should I not ask here?