Integrate Braintree payment gateway - Native Android / React Native

Want to integrate Braintree payment gateway with 3d secure with below expectations. 1. Developer should have implemented Braintree payment gateway with 3d secure in react native. 2. developer should have implemented Braintree payment gateway with 3d secure in native android and that code [callbacks] should work with existing react native code. Payment process should complete only with credit card with sandbox as well as live account. Please refer below link for better idea about flow. Provided example is for web , need to implement in Native Android / React Native. Please have a flow look. [login to view URL]