Add Facebook SDK and Open Graph to Android app

Our app shows users their daily, weekly, monthly and yearly horoscope. [login to view URL] 1. We would like to force users to connect with Facebook if they want to read the yearly horoscope. 2. We want to measure mobile install ads - [login to view URL] 3. We want to add open graph events posting stories on the users friends wall every time they read the daily/weekly/monthly/yearly horoscope 3.2 For example: John ready his libra daily horoscope - <% libra daily horoscope content %> 3.1 [login to view URL]