Platform Updates: Operation Developer Love

Operation Developer Love
This week, we launched two new features for apps that use Facebook Credits within their games: buy with friends and frictionless payments.

Sharing test accounts between apps
Since we launched the ability to create and manage test accounts via the Graph API, many of you have requested the ability to share test accounts across applications. As a result, we recently implemented additional parameters that let you do this.

Use the Graph API with the application access token to add an existing test account to it. The following PHP example shows how to add an existing test user to another application.

Source and for more details