Probably the first JavaFX / Java application called "Ensemble" is available directly from the Mac App Store.
[The application was taken from the store to fix some glitches, but it should come back soon]
Tip: if you are a developer, there are easier ways to get the Ensemple running on your Mac :-)
NEW workshop: Building HTML 5 Applications Without Frameworks, Full week in December 2016: from Java EE 7 Bootstrap, Effective, Architectures over Testing to Microservices
On demand workshops: Java EE 7: Bootstrap, Effective, Testing and Microservices available for streaming.