iPhoneToday is a iPhone interface for windows mobile. It can be a good alternative to the actual interfaces and provides you with the look and feel of iPhone which is considered to be one of the best phone interfaces.

Features:

• Multiples screens (With animations)
• Notification on icons for calls, SMS, etc
• Is a Today (No problems when we push the home button, no problems with incoming calls)
• Compatibility
• QVGA, VGA, WVGA screen size
• UI for Icons configuration
• Only 62Kb + Icons in memory

Please see more details on Installing steps and known issues of iPhoneToday on developer’s site – Source