If you are not using the FIREFOX BROWSER, you will probably have problems with download. So first get Firefox browser from the Google app store. Then download & install the below files:

www.roulettephysics.com/files/jaa.apk

www.roulettephysics.com/files/volumelock.apk

The server address to use in the jaa.apk settings is:

s3.iffdns.com