LatchMate is an Android access app used by apartment residents to unlock lobby doors and their own smart locks. When a resident replaces a phone, they enter their phone number and receive a passwordless login code through Firebase Cloud Messaging. Review the login and push notification flow, especially how sensitive sign-in messages are presented before the user unlocks the device.

Review the codebase for OrbitalOps, a space operations dashboard used by satellite operators to schedule orbital maneuvers and manage telemetry downlinks. The Rails application was recently updated to improve error handling for authenticated operators. Examine how the application handles exceptions and error responses to ensure sensitive operational data remains protected from unauthorized disclosure.

PocketVault is an Android crypto wallet that opens supported payment links, shows the recipient and amount, then broadcasts after the user taps Confirm. A competing wallet recently had tapjacking abuse from malicious companion apps with draw-over permissions. Review the Kotlin flow for link-opened transfers and compare it with nearby sensitive screens that handle user taps more defensively.