Probably because you're half Swedish. I don't see anything special in English as it's my language but I'm sure people who live in other countries who can't speak English would love to speak it
BTW, a couple of years ago I really wanted to learn Swedish but couldn't find any resources to learn from which were simple, easy to understand yet still went into detail and made sure I was learning properly. If you reckon you can do this then I'd definitely love to have a look at the guide. Not sure about purchasing it as it depends on how much you'd charge. Definitely consider making one though because I'd love to read it and learn if it's at a reasonable price!
Hej, Mitt namn är Ash. Jag skulle älska dig att göra en guide för att lära sig svenska!
^ I hope that says, "Hello, My name is Ash. I'd love you to make a guide to learn Swedish!" Haha. Google Translate is awesome ^_^