Hello from America, beansyy. :hello: Glad to have you here at Android Forums.
Hopefully, we can help you make that switch from IOS a little easier. For starters, here's our section all about your SGS3, where you'll find all sorts of great info, tips, and help for your phone if needed.
If you need any other assistance, or have any questions, please feel free to ask - We'd be happy to help.
I hope you'll enjoy your time here, and happy posting!