Here are the Features related to Facebook: Birthdays, RSVPs, and Friends' Profile Pictures.
Birthdays pulls your friends' birthdays from Facebook and displays them on your feed. EasilyDo allows you to send wishes and a gift to that friend. Some of your friends may have privacy settings that will not allow EasilyDo to display their birthdays on your feed.
RSVPs pulls events from Facebook that you have been invited to and allows you RSVP and add it to your calendar.
Friends' Profile Pictures will allow you to add your friends' Facebook profile pictures to the contacts in your phone.