FB Birthday simply will not allow you to ever forget someones Birthday.
Alerts you daily Birthdays automatically.
Ability to sort Birthdays by Today,Tomorrow,current week.
Allows you to Post a Status on your FB wall.
Allows you to Post a Message on your Friends wall.
Allows you to wish your Friends/Family on their FB wall with a Birthday cake in the Post.
Allows you to wish Belated Happy Birthday with Custom Happy Birthday message.
Provides an option for wishing Happy Birthday in Advance with a Birthday Cake.
Now you can easily access basic info(Age,Sex,location,relationship etc) of your FB friends very easily in a quick manner.
Enjoy Another App, and make your daily Life easier !!