Facebook has been slowly rolling out tests to select developers that want to integrate with the Facebook gift shop. As of today there are approximately 5 companies that have been participating in tests: American Greetings, RealGifts, JibJab, GreetBeatz, and someecards. The latter three only recently began showing up in the gift shop. However Facebook has been testing out the gift shop as a platform for developers to sell virtual gifts over the past few months.
Back in August, the company also announced the addition of a number of non-profit companies that have begun using the Facebook gift shop as a…