Narasimha Reddy questions

• Notify User about new update of application in app store as a alert and automatically install updated version in iPhone?
• changing the color of Phone number(UITextView...with detect Phone Number enabled in xib file) in objective c
• Back navigation in iphone application
• Multitasking in iPhone 4,"application does not run in back ground" option in Xcode 3.2 info.plist
• Maintaining two Xcode versions in parallel on a Mac
• Trouble in downloading and installing Sitecore CMS

Narasimha Reddy answers