It needs to be done both on iphone and server side.
1. Rss feed. Collecting information from Rss feed - server side in php feeded with some database content, feeds red in the iphone and displayed in a table
2. Push notifications. Allowing sending big numbers
of push notifications every day. Show your previous experience with that! - on the iphone - ask for user grant to use apns, then sending the udid to the server side, udid is stored in database (php with mysql) on server side, one page to bulk send apns to all/selected iphones
3. Rate application reminder - iphone, modal view triggered by timer
4. Share social feature - iphone - facebook, twitter
Basic UI, no fancy graphics/design.
WINTER