A sample of (almost) all the documented apis located at https://developer.blackberry.com/html5/apis/blackberry.system.html. Includes: blackberry.system.getCurrentTimezone blackberry.system.getFontInfo blackberry.system.getTimezones blackberry.system.hasCapability blackberry.system.hasPermission blackberry.system.setWallpaper
blackberry.system.batterycritical blackberry.system.batterylow blackberry.system.batterystatus blackberry.system.fontchanged blackberry.system.languagechanged blackberry.system.regionchanged
License: This code is released under an Apache Open Source license.
Testing: To test, download the source code and compile it. The application will be available for BlackBerry 10 in BlackBerry World at the launch of BlackBerry 10.
Privacy: As you can see if you check the source code, this app doesn't save or transmit any personal information; if by any strange chance I get any of your information (excluding, of course, your email address if you contact me with a question) I'll delete it, as I have no use for it. I don't want your personal information, I'm not Google.