Thanks for bringing this to my attention, I’ll look into the issue. I tested the controls using a Mayflash adapter. What adapter were you using and did you try the keyboard while the adapter was still connected?
The adapter is called the "2600-daptor" http://www.2600-daptor.com/.
I just tried it without the adapter plugged in and the keyboard controls started to work. So there must be a conflict with the 2600-daptor.
Thanks for the quick response.