I first installed JDev 18.104.22.168 - available Here
I ran check for updates and installed the ADF Mobile. my build was 22.214.171.124.39.64.44
Then I followed The Instructions
The demo worked fine. Deployment took circa 3 minutes - due to the Debug mode setting -
To speed this up, I just followed Shay Shmeltzer's bog post Here
Then when deploying -
Deployment takes half the time - Thanks Shay!