Hi @laisan! I’m the developer of nldates. Thanks for testing it on mobile! This is indeed a known limitation, as I still haven’t updated the plugin to work with CM6 which is what the mobile version uses.
I have a bit similar problem with TextExpander Android app that I use to enter the current date and time - I can use a shortcut at the very beginning of the note, but not further. So I guess it might be connected with the editor itself.
This seems to no longer be a problem as of Obsidian version 0.1.0.
I was able to install Natural Language Dates and add its command to the mobile toolbar. It works - it inserts the current date and time and the editor works fine.