Build a mobile app testing checklist that catches common bugs

Help me build a testing checklist for my mobile app. App: [WHAT IT DOES, key user flows] Platforms and tech: [iOS / Android, native / React Native / Flutter, minimum OS versions] Features that touch the device: [camera, location, push notifications, payments, background sync, offline mode, biometrics] Bugs we have seen before: [PAST ISSUES or app store reviews] Release stage: [first launch / regular release / hotfix] Deliver: 1. Device and OS matrix: a minimal set of devices, screen sizes, and OS versions to test, based on my audience, with reasoning. 2. Checklist by risk area, with specific test cases for each: - App lifecycle: backgrounding, killing, resuming, low memory, state restoration. - Interruptions: calls, notifications, alarms, switching apps mid-flow. - Connectivity: offline, slow or flaky networks, switching Wi-Fi to cellular, retries and duplicate submissions. - Permissions: first ask, denied, revoked later, limited access. - Layout: small and large screens, rotation, notches, dynamic text size, dark mode, RTL languages. - Performance: cold start time, battery, memory leaks, long lists. - Data: upgrades from older app versions, migration, logout and account switching. - Accessibility: screen readers, touch target size, contrast. - Store requirements and crash reporting. 3. Prevention: which of these to cover with automated tests vs. manual exploratory testing. 4. A bug report template that captures device, OS, app version, steps, and logs. Format the checklist as a table: Area | Test case | Priority | Manual or automated.