“Heart Eyes” raises the bar for emoji movies, which sounds like faint praise since “The Emoji Movie” forgot to install a bar, but it’s still true. For the last two years a serial killer ...

A serial killer hunts happy couples in Josh Ruben’s satirical genre mash-up.

It comes as no surprise that his follow-up would do the same thing for another underwhelming subgenre. “Heart Eyes” raises the bar for emoji movies, which sounds like faint praise since “The Emoji ...