Acuity Easter Egg - Hidden Game in User Interface

Navigate to the "Setup Info" page
Hold the first and third buttons below the touchpad area
You should see a colorful easter egg appear in the lower-left corner of the screen
Use the touchpad to move the pointer to the egg and select it by tapping on the touchpad (while still holding the two buttons)
A game will appear in the middle of the screen
The object of the game is to clear the board by clicking on groups of similarly colored blocks. Higher scores are achieved by removing larger groups rather than smaller.
Click on Quit button to return to normal operation of the device