On Android most apps started bundling androidx/jetpack compat libraries that help deal with various API versions, and generally make the development much, _much_ easier. These days apps will also bundle the entire new Android UI framework (Compose) while in the past all the UI code was using framework classes.

Other than that, some popular and useful libraries will bundle native libs (for example for sql), and some ad/analytics/corporate SDKs will use native libs to share code between platforms and for obfuscation. These corporate SDKs (like Zendesk) will also notoriously break Android minification tools, because why bother