Also see:
I wish I got a better screenshot of this.
But it comes up right after you pull up the Citi mobile app after the September 7th update:
The other screen was much more effusive, and promised new “Citi Offers” on eligible cards at certain merchants – just like AMEX Offers. The only timeline Citi offered was “soon,” but I wouldn’t be surprised if the new feature hit in the midst of the holiday shopping season.