I just stumbled on this by accident this morning. After my Google I/O provided Nexus 7 had an OTA update, I went into the About tablet section of the Settings app, and somehow I triple tapped on the Android version 4.1.1 table cell, and I got this:
I have always been a fan of Easter eggs ever since I found out how to find the secret room in Atari 2600 Adventure. BTW, Happy Birthday to Jerry Doyle, who was great as the security chief in Babylon 5.
ADDENDUM: Two things to add, one good and one bad. The good thing is that my buddy John noticed that if you draw around the outer edge of the big bean, you get a screen with a lot of littler beans, which can be flung about. No collisions though. And the bad, it is sad to note the passing of Jon Lord, a giant in world of music.