Pogo describes this game as "relaxing", but I tend to disagree. The auto is very helpful for those who prefer to relax by reading a book while Badger plays Mahjong Garden.
You can also use this engine as a cheat, as it suggests matches it finds while watching you play.
In auto mode, the engine does refer to the cheat menu item if it cannot find any matching tiles on the board. This can often happen when you have a stack of tiles covering part of the game-board.