For fast, easy access to Google and Nokia maps on the web, simply add their sites to the Home screen of your iOS 6 device.
How to add a website icon to your Home screen:
1
Tap the Share button at the bottom of the Safari screen for the website you’re on.
2
Tap the icon labeled “Add to Home Screen.”
3
Tap the Add button in the upper right corner.
4
Launch the website from your Home screen by tapping its icon.