You will get there one day. Off topic: usually when I see numbers at the end of a name I instantly think of the year they were born but I assume you weren’t born in 1990? The german adults I know are all good in English so if you are an adult it’s a bit strange to me 
You can attempt to do Google translate on that whole page and maybe you can figure it out.
To be honest my English is super solid for my age, but I hate doing „tutorials“, even German „tutorials“. Like 2 weeks ago I tried this tutorial and it didn‘t work out for me, so that‘s the real reason I don‘t wanna do it. But am I able to play 3DS Games without that tutorial, or homebrew? And btw the „90“ in my name is not my birthday 
I use this number, like everywhere, for no reason.