Facebook SDK for iOS & Android
Integrate Facebook into your mobile app with the Facebook SDK for iOS and Android. The SDK allows users to publish to Facebook right from your app, sign in to your app with Facebook login, use the Graph API, analyze and measure the effectiveness of your Facebook mobile app ads with App Events among other things. It also features a number of built-in UI components such as the Share Dialog, the Facebook Login button etc that can speed up the process of integrating Facebook to your app. The SDK is well documented and samples are provided.