Anbox still doesn't work that great till now, only a few android apps work with it (it's the case with everyone).
It is a promising project, but its development has been very slow.
But recently a new, better alternative has come up (Waydroid), though we arch users haven't been able to make it work properly. But I think, soon it will be working:
Please read this post for more details:
https://forum.garudalinux.org/t/how-to-run-android-apps-in-linux-without-an-emulator/
