Native Toolkit is a lightweight plugin aimed at making it easy to integrate native device functionality into your Unity3D mobile project.
Examples of what you can do on iOS, Android and Windows Phone 8 devices with just one line of code:
• Pick an image from the gallery/camera roll
• Use the camera to take a photo
• Save a screenshot to the gallery/camera roll
• Get device GPS location
• Send an email with attachments
… Any many more. Please see the scripting reference for a full list!