You have ruby slippers in this app you never use.
ruby slippers
idiomA valuable feature (of software, etc.) overlooked by the user.
Origin
disputed originFrom the red shoes worn by Dorothy in The Wizard of Oz, that had magic properties unknown until the end of the story.
The software has powerful automation tools, but most users ignore these ruby slippers.
Developers often lament that their most innovative features remain mere ruby slippers, hidden in plain sight while users struggle with manual tasks.