Techniques for inference of an intended primary display of a hinged mobile device are described. Generally, the techniques described herein improve a user experience when the user interacts with the device, such as to change the posture of the device. For example, the techniques described herein detect physical movement of a first and/or second display portion of the device. In implementations, the physical movement is recognized as a device gesture to indicate which of the display portions is intended to be used as the primary display. Then, a determination is made that the first display portion is intended to be used as the primary display based on the device gesture. Based on the determination, the primary display is initiated via the first display portion.