Anki already helped me memorize 7000 Japanese words, so having this software on my Android phone would be pretty helpful in the subway, I thought.
So today I published AnkiDroid on the Market, as the result of a combined effort with Damien Elmes, Andrew Dubya and Casey Link. To install it on your Android phone, just click on "Market", search for "anki", and click "Install". 57 people installed it in two hours, so far. Here is the source code.
Now listed in Market's "Popular applications"!