The Simpsons: Tapped Out: Homer tries to download this app on his MyPad, only to be told that it was not available. This is a reference to when the app was taken offline earlier in 2012 to fix bugs that had occurred in the game.
When Homer finished his pray about broken MyPad, God does a MyPad fading to the next scene. Previous 6 scenes of episode can be seen with Homer and Wiggum riding invisible motorcycle, Homer winning MyPad, Bart and Lisa being in zoopark with Homer and etc.
During Kent Brockman's reportage about how the "Hope" tree mauled Springfieldians, the following signs, such as "Kent's Fashion Faux Pas," "Kent's K-9 Cut-Ups," "Inside Kent's Colon," "My Old Kent-Yucky Home" and "Kent's Closed Cases" can be seen.
This episode is the first one in Season 24 to have regular credit music.
Despite the title, a tree doesn't actually grow in Springfield, only a message being wrote on one.