When I was eleven years old, it was a very good year, and I can remember my daily routine vividly. These were the years before I owned a Sony Playstation, and I used to venture to my friends house - everyday after school - to watch him play through Final...
If something looks like it's important, give it a tap. Chances are that it is.
You can replay the arcade games you've found whenever you want from the menu.
There's a map on most of the screens that shows you exactly where you are.