Have you ever wondered which friend knows you best. Challenge 1 to 4 of your closest friends to this quick BFF quiz to find out who knows you the best. This is the perfect app to discover who truly knows you the best. A new game every time. Challenge up to four of your friends for a fun challenge to discover who knows you the best. Answer the questions and pass the phone to the next player. Answer the questions and discover who wins. How well do you really know your friends. This app is fun for a friend or a group of friends to get to know each other and discover each other's personalities.