Yes! BookBeat for Android has Chromecast support for app version 8.6 and later.
If a Chromecast is available, you will see the Chromecast symbol 
on the book page and in the audio player and you can cast to your device.
We are hoping to add Chromecast support for our iOS app in the future as well but this is not yet available.
Please observe that this feature is not available if you have a Huawei device without Google Play services.