You can control screen orientation from notification area easily.You also can prevent the other application from changing screen orientation.The following rotation modes are available.- Guard: this application prevents the other application from changing screen orientation.- Auto Rotation: screen orientation is determined by a physical orientation sensor.- Portrait: the screen is in a portrait orientation.- Portrait (Reverse): the screen is in a portrait orientation; the opposite direction from normal portrait.- Portrait (Sensor): the screen is in a portrait orientation, but the sensor is used to change direction.- Landscape: the screen is in a landscape orientation.- Landscape (Reverse): the screen is in a landscape orientation; the opposite direction from normal landscape.- Landscape (Sensor): the screen is in a landscape orientation, but the sensor is used to change direction.* Depending on the device, you may not be able to use several modes.* If "Guard" mode is active, you cannot click "install" button when you want to install an application. When you want to install an application, you should inactivate "Guard" mode or this application.