* Architecture effectively employs nested React Navigation (Stack inside Drawer) for a robust mobile routing structure. * State management utilizes the basic React Context API, suitable for handling limited global state like user favorites. * Component separation is strong, using `FlatList` with dedicated `GridTile` components for optimal rendering performance. * The codebase is structurally sound, leveraging clear directory divisions for screens, models, and reusable UI components. * Actionable: Migrating to TypeScript would significantly bolster type safety across components and navigation parameters. * Actionable: Remove unnecessary placeholder functions like `test()` found in `CategoryGridTile.js` to enhance code clarity.
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