Gestures - Do you want to manage your phone using one hand?
Are touchscreen and keyboard insufficient for you?
Do you want to use facilities of your device as much as possible?
If you said "YES" then Gestures application is for you!
What can Gestures do?
You can record any rotatory motions of your phone and match them any commands. When it is done Gestures will run these commands any time when you reproduce corresponding motions.(You can easily disable this facility)