Welcome to Android Forums, and the world of Android!
I hope you're enjoying your new phone. Here's the section at AF specifically for the Galaxy S2 (international), where you'll find all kind of helpful info, tips, and help if required.
Samsung Galaxy S2 (International) - Android Forums
If there's some other way way we can be of assistance, please don't hesitate to ask. We'd be happy to help.
Enjoy the forums, and happy posting!