And while there’s been plenty of hand-wringing in recent years over the effect that technology, especially excessive cell-phone use, can have on our mental health, several developers have created apps with the goal of improving it. For food delivery, ride sharing, and hookups, yes, but also for deleting social-media evidence of your ex, and figuring out when to take a bathroom break during a movie. It’s true what they say: There is, in fact, an app for that. Photo: Daniel Ingold/Getty Images/Cultura RF