affixes directly to the Wii Remote expansion port, extending the length of the controller body by approximately . The Wii MotionPlus uses a tuning fork gyroscope which supplements the accelerometer and Sensor Bar capabilities of the Wii Remote, enabling controller motions to be rendered identically on the screen in real time, according to Nintendo. It is sold separately, and also included in bundles with some MotionPlus compatible games such as Nintendo's Wii Sports Resort and Ubisoft's Red Steel 2. Sky blue Wii MotionPlus expansions were available in Japan as a prize for a contest used to promote Wii Sports Resort. Black Wii Remotes bundled with the MotionPlus add-on of matching color were released in Europe and North America in November 2009. Wii Vitality Sensor The Wii Vitality Sensor was a cancelled peripheral; a fingertip pulse oximeter sensor that connected through the Wii Remote. According to Nintendo, the device "will initially sense the user's pulse and a number of other signals being transmitted by their bodies, and will then provide information to the users about the body's inner world." The Wii Vitality Sensor was announced by President and CEO Satoru Iwata at Nintendo's E3 2009 media briefing on June 2, 2009. No specific applications were revealed for the device, but when presenting the device Iwata suggested that video games may soon be used for relaxation. According to Nintendo of America president Reggie Fils-Aime, more details concerning the Wii Vitality Sensor were to be revealed during E3 2010, although in the event the device was not mentioned. Reggie told GameTrailers, "(E3) was not the kind of environment for a game based on relaxation", and said that they were saving news on the device for another time and place. At E3 2010, Ubisoft introduced their own pulse oximeter sensor, "Innergy". At E3 2011, Nintendo announced more about the Wii Vitality Sensor. Shigeru Miyamoto said that the Wii Vitality Sensor has a difficult time performing consistently across a variety of situations but still may be released. On July 5, 2013, Satoru Iwata disclosed that the Wii Vitality Sensor project had been cancelled due to its lack of widespread compatibility, with Nintendo finding that the device failed to work with approximately 10% of people it was tested on, noting that the device "was of narrower application than we had originally thought." Iwata also mentioned the possibility of returning to the project in the future, when