Rust offers better performance and memory safety over Java due to manual memory management and lack of garbage collection.Rust provides fine-grained control over memory, leading to faster performance and lower memory consumption compared to Java.For Android's core system components, Rust excels in low-level operations where performance is crucial.Java remains dominant for app-level development on Android due to its mature ecosystem and developer adoption.Despite Rust's growing role in Android, Java is deeply embedded in the platform, requiring smooth interoperability.Rust's FFI allows integration with Java through JNI bindings, enabling a hybrid approach for performance-critical components.Java's ecosystem maturity, developer familiarity, and cross-platform development dominance solidify its role in Android app development.While Rust and Java coexist, Rust handles systems tasks while Java focuses on app-level development for Android.Kotlin's growing importance in Android, especially with Jetpack Compose and KMM, complements Java and may benefit from Rust integration.Examples of Rust in Android include its use in AOSP for media frameworks and Google's exploration in Fuchsia OS, showcasing its potential.