You can message, vote, search, upload photos and creat yourself a unique profile.
It's a fun social network made for teenagers with plenty of features that will make each of your visits more exciting.
Your 'good friend', if they're struggling with finding girls to get to know, could try browsing on My Space for people living locally, though obviously be careful getting to know anyone.
The best dating tool at that age is simply to try and build your social network 'in real life', on MSN, My Space, Facebook etc.
With the large membership base you shouldn't have problems finding someone you are interseted in.