> AFAICT the use of JavaSE/Harmony libraries is complicated by the field of use restrictions issued by Sun for the OpenJDK JCK compliance test framework (required to 'comply' and get patent license). It's use on anything other than a standard computer on a desk is prohibited from what I have read.
> From what I can find, Apache Harmony project's concerns have not been addressed.
The problem with their concerns is that they are unverifiable because they did the "negotiations" in secrecy without involving the bigger libre java community. They probably really got a bad deal, but it is hard to help out if they keep the details hidden: http://gnu.wildebeest.org/blog/mjw/2007/04/21/openjck/