A companion app that adds support for AirPod specific features to Android:

Battery level for pods & cases.
Charging status for pods & case.
Additional infos about connection, microphone & case.
Can receive and show all nearby devices.
Ear detection with automatic play/pause.
Automatically connect phone & AirPods.
Show popup when case is opened.
Support for Wear OS
Widgets
CAPod is ad-free. Some additional features require an in-app purchase.

Currently supported models:

AirPods 1. Generation
A