Wii or kinect sports games may provide recreation to stroke and injury victims recover faster. smartphones often come with scaled-down versions of games such as to introduce games to users. role-playing, action, educational, and simulations are examples of computer and video game head-mounted displays often use organic light emitting diode, or technology. windows and apple , which contain tools for creating 2-d and 3-d drawings, game-playing interfaces, and multiplayer control.