469821 Push Message Clients

I would like to propose an iphone apps that: 1. User can chat through this apps 2. Allow user to mark an event on his/her calendar 3. If the event involve his/her friends and they are using the push message clients apps, the apps will get the message and push the event detail to the calendar 4. Able to mark events on google calendar if google account is set on the Apps 5. Allow PHP script to post an push message of event, so that webmaster can use the script to push event confirmation to the apps and also the calendars 6. Allow event categories (e.g. Personal, dinning, entertainments, etc) 7. Advice of the APNS setup 8. Phase II development will follow