Interesting! Thanks for letting me know.
It's kind of a chicken and egg problem. Fretboard memorization is sort of an intermediate guitarist's thing. But now that the trainer exists, everybody is exposed to the idea, without a basis to get started.
We've got some new lessons coming up that we might be able to finesse into being just what you would want. But that will take a while, so for now....
Try this?
http://www.guitartricks.com/lesson.php?input=11290&s_id=453
If that is a little over your head, try this?
http://www.guitartricks.com/lesson.php?input=10664&c_id=2&ch_id=10&s_id=363
Let me know?
Jon