JVM on Windows CE

JVM
http://www.cremejvm.com/
https://www.ibm.com/support/knowledgecenter/SSYKE2_7.0.0/com.ibm.java.win.70.doc/user/java_jvm.html
https://docs.oracle.com/cd/B14156_01/doc/B13811/html/jdgjswce.htm
http://www2s.biglobe.ne.jp/~dat/java/project/jvm/index_en.html

Addition
http://javarevisited.blogspot.sg/2013/01/difference-between-sun-oracle-jvm-ibm.html
https://wiki.eclipse.org/J9


UI
https://lwuit.java.net/