Great opportunity: Update existing iphone app. Long term pro

Looking for a new programmer which I hopefully can use for many projects. For me communication is absolutely the most important aspect of working with a developer. As I want to se how good we can communicate I´ll run this small project as a test project. In this project, I want to update an existing app with the following features: 1 Linkshare 2 First page / loading screen (when the app is opened for the first time) 3 Better picture quality(specially on Facebook) 4 Add comment to picture when shared on Facebook 5 If you share one picture on Facebook it unlocks another one 6 Same function for Twitter 7 Auto like fan-page on Facebook after Facebook registration 8 Auto follow me on twitter, after twitter registration 9 Appirater functionality For future work you must be willing to sign a NDA. [login to view URL] Please give me an input of price/numbers of hours for each of the points mention above. Also let me know if you think any of these functionality's are hard/impossible to do. The price can be given as a fixed price for each point or as an hour estimate and hourly price or both