His app, Shake & Win, is a Lottery Number Generator. It works by shaking the phone and features an attractive graphical UI.
HOW TO USE
Shake the phone to generate numbers.
If you want to select some manual numbers or scroll to something, click the button under the wheel.
Click the lock button to lock all numbers in place (prevent accidental shakes)
Middle button on the NAV pad exits the program.
Read more and download the app from this XDA-Developers thread here.