# Flow for mobile library reference Use the Flow library reference for your preferred operating system to learn how to customize the [Flow for mobile](https://www.checkout.com/docs/payments/accept-payments/accept-a-payment-on-your-mobile-app.md) user experience with the available configuration options, and how to handle errors. - [Android](https://www.checkout.com/docs/payments/accept-payments/accept-a-payment-on-your-mobile-app/flow-for-mobile-library-reference/android.md): See the library reference for Android Flow for mobile. - [iOS](https://www.checkout.com/docs/payments/accept-payments/accept-a-payment-on-your-mobile-app/flow-for-mobile-library-reference/ios.md): See the library reference for iOS Flow for mobile.