1. A method comprising: receiving a multipoint touch gesture at a multipoint touch input interface of a computing device, wherein the multipoint touch gesture comprises a gesture that is performed with multiple touches on the multipoint touch input interface; resolving the multipoint touch gesture into a command; determining at least one physical simulation effect to associate with the resolved multipoint touch gesture; and rendering a unified feedback output action in a graphical user interface of the computing device by executing the command, wherein the unified feedback output action includes at least a graphical output action incorporated with the at least one physical simulation effect in the graphical user interface.