The Simpsons: Tapped Out "Day Old Donuts" offer content update

The twenty-second content update for The Simpsons: Tapped Out was released on May 24, 2013. The update added a 3-day offer from Gil - 25% off donuts. It ended on May 28, 2013.

Also, Snake Rocks now gives, @ 4h, Snake Stump gives ,  @ 8h and Hollow Snake Trunk gives ,  @ 12h.

Gameplay
Gil appears in the player's town with a 'donut bubble' over his head. After tapping on it:

Then the screen (above in the summary of the update) appears.

If the player purchases a pack of donuts that are 25% off:

If not the player presses the back arrow after the screen pops up one of the lines appearance.