Listen To Audible Books On Android
To play Audible on an Android phone or tablet, you can use the Audible app. If you want to play Audible audiobooks on some devices that do not support Audible, you can use TunesKit Audible AA/AAX Converter
There is an Audible app for Android device. You can install it to enjoy Audible books on your Android device. If your Android device doesn't available for the Audible app, you can install the AudKit Audible Converter and use it to convert Audible AAX to MP3.
Audible has an Android app of their own, you don't need to convert anything. All of Amazon's own devices run on Android. And if you don't convert them, you can keep your books in sync between different devices through your Audible account.