"FarmVille Magic Tools." which is one of the great search key words. this is not a cool new feature of the game, but a popular known hack that virtual farmers are using to farm faster, for earning coins and experience faster.
What does this FarmVille Magic Tools Do?
In essence, this hack will help you harvest, plow and plant crops in the game faster. You will also be able to harvest trees and animals with a single click.
How does this FarmVille Magic Tools Work?
To use FarmVille Magic Tools, u have to download the .zip files onto your Desktop. The .zip file contains a text file and the Magic Tools program (a simple .exe file). Double click on the .exe file and it will launch. Then open FarmVille in another window. Scroll all the way out in FarmVille, then drag and drop the cow in Magic Tools over your farm. Then select Magic Plow Tool, Magic Plant Tool and Magic Harvest Tool and ripe crops will automatically be harvested, plowed and seeded.

The hack also has an option to automatically Harvest/Collect for trees and animals. Just select a tree/animal and all of the harvesting will be done with a single click.

Based on comments about the cheat, you've got about a 70/30 chance of this working.