The whole application is voice & gesture based which means, that the user can be recognized by raising his hand. His hand will be shown inside the application to provide a visual feedback. Using his hand the user can navigation through the application by moving around and pushing the buttons. But this is not the only way to navigate. You can use your voice commands to trigger every option inside the game. Yet this is still a goal wall so the user has also the chance to shoot at the buttons, triggers and options. Three ways for interaction to please and motivate the user.