OpenJDK (Open Java Development Kit) is a free and open source implementation of the Java Platform, Standard Edition (Java SE).
This release is based on OpenJDK 9.
If you find bugs in Firefox port, please report Github Issues:
Source codes are hosted in GitHub:
Available Database with LibreOffice
It's very hard to port for Android in spite of based on Java language, too.
Strictly, they are different Java environment and Android environment.
I decided to port JDK to support database of LibreOffice.