XDA

Randy Westergren

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It's great to see the increasing adoption of certificate pinning in Android apps. When I run into an app that throws connection errors while attempting to proxy requests, I tend to become more interested in diving deeper. Such was the case when I recently used the Subway app. Reversing the APK revealed cert pinning  among some other interesting findings.

Trivia Crack is a highly popular game for both web and mobile platforms which is somewhat modeled after Trivial Pursuit. It's the latest craze in social gaming, allowing users to compete against their friends and strangers in answering questions from an array of categories. Though I've never been very interested in gaming, my wife has recently become a huge fan of Trivia Crack. After watching her play for a while, I decided to download it and take a closer look into how it was implemented.