Product design question
Improve Google Play Store.
- Product design
- Easy
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What this question tests
Product design judgment on a platform business where trust, discovery, and developer relations all matter, not just consumer UX.
How to approach it
- Users: segment into consumers searching for apps, and developers trying to get discovered against heavy competition.
- Pain points: search and discovery often surface low-quality or duplicate apps, and users struggle to judge app trustworthiness and safety.
- Prioritize: focus on discovery quality and trust signals, since that is the core value the Play Store provides over sideloading apps.
- Solution: improve ranking to weight genuine engagement and safety signals more heavily, and add clearer trust indicators like verified developer badges.
- Address the two-sided nature: also improve developer-facing tools, like more transparent ranking factors, to reduce frustration on that side of the marketplace.
- Success metric: search to install conversion rate, and post-install retention as a proxy for discovery quality, not just install volume.
What a strong answer includes
- Treats this correctly as a two-sided marketplace problem, addressing both consumer trust and developer fairness, not just consumer UI polish.
- Proposes a concrete trust mechanism, verified developer badges and better ranking signal weighting, rather than a vague better search claim.
- Chooses post-install retention as a discovery quality metric, since install volume alone can reward misleading listings.
Common mistakes
- Treating this as a purely consumer-facing redesign with no attention to developer trust or fairness.
- No mention of ranking quality or trust signals, key differentiators from unmoderated app sources.
- Success metric based only on install volume, which can be gamed by misleading listings.
Likely follow-up questions
- How would you detect and demote low-quality or fraudulent apps in ranking?
- How would you balance developer complaints about ranking transparency against algorithm complexity?
More product design questions
- Design a TV for a car.Google · Product design · Hard
- Design a refrigerator for the blind.Google · Product design · Hard
- How do you design a camera for the elderly?Google · Product design · Medium
- Redesign Twitter for eCommerce.Shopify · Product design · Hard
- How would you go about designing a new location sharing app for Google?Google · Product design · Medium
- How would you improve Google Home?Google · Product design · Easy
More questions from Google
Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop