Not so good. But the problem is not Typst, it’s Chrome on Android, or the way you have that configured.
EDIT: I just checked the article on my phone, and every browser renders the equation as in your screenshot. FF and Chromium on desktop are perfect. Another example of how mobile browsers suck.
EDIT: I just checked the article on my phone, and every browser renders the equation as in your screenshot. FF and Chromium on desktop are perfect. Another example of how mobile browsers suck.