To remain competitive your organisation must be efficient across the business process spectrum. To do so you need to take sound decisions based on a balance between the cost and risk. To do so you will be heavily dependent on your content management in itself needs...
When your React Native app is ready, the next step is to publish it on the Google Play Store. To do that, you need .aab file (Android App Bundle). For sharing and testing you need an .apk file (Android Package Kit).