Thanks to Lakshman Prasad for pointing out that my prediction from May of Java being the next language to be supported by Google App Engine seems to be coming true.
According to this story on controlenter.in, Google made that announcement as well as the upcoming release of a new Android SDK on October 22 at their Developer Day in Bangalore October 18.
I haven't been able to find any additional information on this yet so holding my tongue in declaring my superior prognostication abilities. Certainly anxious to see if A) This is true and B) What the details are.
If anybody out there has more info on this don't be shy...