I’m very happy that two years on, these Android tutorials are still helping people out.
As I’m sure you’ve noticed, comments are disabled. That didn’t used to be the case, but honestly blog-spam comment bots are incredibly persistent. It was ridiculous the amount of moderation that was required in order to deal with finding real comments in the mess of spam.
So, as an FYI, on the about page I have an email you can contact me with questions. I make no promises that I’ll really remember every in-and-out of the code I wrote, but I’ll be happy to help if I can.