‘Watch for the Consequences’: Visualizing Permission Risks to Improve Privacy Decisions in Android

Despite Android’s permission system improvements, users often grant sensitive access without fully understanding the risks. To explore this issue, we conducted a survey with 110 participants, revealing significant gaps: most users rarely review permissions and tend to ignore unnecessary ones, while younger users (18–24) are 2.5 times more likely to grant access without scrutiny. To address these shortcomings, we propose an interactive visual guidance system that enhances permission transparency. Our design introduces a post-installation permission list, where each request is paired with Accept, Deny, and Learn More options. The Learn More feature redirects users to a pop-up screen that shows contextual animations to illustrate real-world consequences of granting access (e.g., photos being sold to third parties). This visual and narrative approach aims to make privacy risks more attention-grabbing, relatable, and memorable—encouraging users to make informed decisions.