Interface into functionality unique to handheld devices.
| use32BitDisplayBuffer | Determines whether or not a 32-bit display buffer will be used. | 
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| GetActivityIndicatorStyle | Gets the current activity indicator style. | 
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| PlayFullScreenMovie | Plays a full-screen movie (pro only feature). | 
| SetActivityIndicatorStyle | Sets the desired activity indicator style. | 
| StartActivityIndicator | Starts os activity indicator. | 
| StopActivityIndicator | Stops os activity indicator. | 
| Vibrate | Triggers device vibration. |