This covers apps engineered to generate fraudulent ad interactions: clicks the user never made, ads rendered off-screen or behind other content, or impressions inflated through automated means, all of which defraud advertisers paying for real engagement.
Often traced to an ad SDK configuration that stacks multiple ad units invisibly to farm impressions, sometimes without the app developer realizing the SDK was doing it.
"Your app generates invalid ad traffic, including clicks or impressions that were not the result of genuine user interest, per the Ad Fraud policy under Mobile Unwanted Software."