Framaroot 1.9.1

FREE

The free app Framaroot is a simple application to root Samsung Galaxy phones. With one click you gain superuser privileges on your Samsung mobile. Currently supported are, among others, the models Galaxy S2, S3, and note. 

For a complete list of compatible devices, see the appropriate XDA forum thread . Bottom line: It's that simple! Who wants to be rooten Samsung Galaxy, will Framaroot with a simple one-click tool for this.