The best thing I have seen in the last months or so is this game: http://type.method.ac/ (I know I am a little bit sad…)
Whilst studying I spent years drawing up my (Swiss) alphabet as part of our typography lessons. I love checking how well the old fox is doing now. I think I achieved around 92%. Give it a try!
In typography, kerning is the process of adjusting the spacing between characters in a proportional font, usually to achieve a visually pleasing result. If you are starting from scratch or need reminding of how-to, this article maybe quite useful: http://designshack.net/articles/typography/8-simple-and-useful-tips-for-kerning-type/.
The kerning was used to identify this birth certificate of Barack Obama as a fake.