More than just a diary, its about a game to express your personality while having fun. Not only can you keep your events in the interactive agenda, you can also:

express yourself in the diary, which is fully customizable like an interactive scrapbook
know yourself better with dozens of fun quizzes and your personality star
socialize with your friends trading tons of customization elements, sharing secrets, taking quizzes together or playing mini-games
Key Features

A Fully Customizable Diary
Keep your secrets safe by locking your game with a secret code
Store up to 150 pages in your diary
Customize your pages with more than 500 items (backgrounds, photos, stickers, pins, etc) like an interactive scrapbook
More than 240 special pages where you are invited to write about specific topics in line with your profile and your mood
Note all your important events in the agenda
Design avatars that look like you and your friends
Use 500+ personalization items : gender, skin colour, hair, clothes, shoes, accessories; each available in several colors
Create very detailed cards (including nickname, avatar, hobbies) for you and your friends (save up to 30 friends cards)
Know yourself better
Take personality quizzes to discover your inner feelings about You & Yourself, You & the Others, You & the World
48 fun quizzes : Path Test, Multi-Choice, Slide Test and Quick Test
Follow your personality profile through the personality star that changes according to your answers in the quizzes
Keep track of your mood of the day taking a picture of it
Socialize with your friends
Share DS mode (around your DS)
Invite 1 to 4 friends to have fun playing mini-games
Let your friends play to discover the secrets you marked for them
Take Group Quizzes with them and discover how close your are
Discover how deep your friends know you letting them guessing your answers in the Quizzes
Let your friends take the same quizzes you did and collect their profiles in the Friend Cards
Local Wireless (2 players)
Create a page for a friend and send it as a gift
Trade items with your friends for your diary and avatars creations
Voice chat over the internet (2 players)
Talk with your friend wherever they are through Wi-Fi connection
Have fun playing mini games when alone
3 solo mini-games
Discover the future breaking the Fortune Cookie