Separate names with a comma.
The story isn't totally needed to enjoy a game, unless it's absolutely required (Phoenix Wright for example).
Just Ctrl+F YSMenu.
I don't think there are any translations yet.
For Tales of Hearts, it's not too hard to figure out where to go usually. When you get the World...
GameFAQs doesn't have any saves for this game yet, and I think they usually have 100% save files anyway.
You could trying asking on the boards...