Then How about non-jailbreak iPhones or iPads? Will they be able to have this feature too? Yes they can
Follow the following simple hack to enable Panorama mode to non-jailbreak iOs devices
1. Download the free trial of iBackupBot for Windows or Mac OS X. And then Install the app to your PC.
2. Secondly, don't forget to use iTunes to backup all your iOS device.
3. After the back up your files phase is completed. Launch iBackupBot. Go to Library/Preferences/com.apple.mobileslideshow.plist to open this file. If you use the iBackupBot in free trial version, you need to hit "cancel" after warning message and continue.
5. Exit out of iBackupBot and then you need to be restoring your iOS device in iTunes to the recent backup file you just edited.
Conguratulation you just enable Panorama Camera feature to your non-jailbreak iPhone 4, 4s and iPad 2.