Build professional Kotlin Multiplatform (KMP) apps for iOS and Android — shared architecture, expect/actual, Ktor, SQLDelight, coroutines and Flow, Koin DI, Compose Multiplatform vs native SwiftUI and Jetpack Compose, Kotlin/Native iOS interop with SKIE, Gradle setup, testing, and App Store and Play distribution. Use whenever writing, designing, reviewing, or debugging KMP, Kotlin/Native, shared mobile code, or cross-platform iOS and Android features, even when the user only says build a mobile feature or share this logic.
