Looks like question titles parsing from the address works fully only on MSE. The following links tested in preview mode via iOS app:
- https://ru.stackoverflow.com/q/536546/176217 - https://stackoverflow.com/q/24478830/3240681 - https://meta.stackoverflow.com/q/345125/3240681 - https://meta.stackexchange.com/q/298260/339911
This is probably intentional behavior, i.e. parse only affected to site links, but I don't understand why not to allow full parsing for any site.