Gestures

iPhone's and iPad's are both fully touch screen. This is important to consider for my design as these gestures could be incorporated into my app as part of the game. This use of movement is used for zooming in on photo's, playing games and viewing web pages. 

Here is an example of the gestures that the devices are capable of;

This app is an example of using gestures.You move the phone and the content on the screen moves as a response. For my design I may use gestures, for example I may use a shake action as part of my game, to make it more interactive and interesting for the consumer.