To send photos to another iOS device: Note: If you have an iCloud account and you've set up Photo Stream, photos you save to the Camera Roll are sent to all of your devices.
To Use photos in other apps on your device, send your photos to other apps installed on your device, including Cards, iMovie, and other iPhoto-supported apps. Note: Use your photos in any app by saving them to the Camera Roll
To Send photos to your computer, import photos and videos from iOS devices to computers with Apple or Windows.
To Email, display, and print photos: Note:Send an email with your photos. Present your photos as a slideshow with music and transition effects. View photos on an external display using an HDMI cable adapter or on a TV using AirPlay and Apple TV.Print photos from your device to a printer that supports AirPrint. From the photo, tap Share icon > slide to Print, and then select a Printer.