Sometime if you want to manage your iPhone screen by moving icon. That is easy to make it. You just hold on any icon on the screen about 2 seconds. All icons at iPhone screen will sway. You can move the icon to every page as needed it.
You can delete some icon on this time also. See on the minus sign and press it. The icon on screen will be deleted from your iPhone. Press the home button when you finish that your iPhone will be regular condition. You can use this mode in iPhone 4 and iPad as well.