We are looking for somebody who can bulid a bidding app for
1. Iphone
2. Blackberry
3. Andriod
4. Sybian
5. Microsoft

Requirements are:
1. bidder should be able to login
2. bidder will checkout running auctions(10 auction max at a time) and bid on the auction he want to bid.
3. app will show him if his bid is overbid by other bidder or he is the bidder


We need very basic application for bid for all 5 platforms above. Its a basic ebay like bidding system.