This app _tries_ to level to battery level of the bluetooth devices. Bluetooth tool MUST has Fingers-Free profile (gather, reject phone calls) or GATT profile (gradually 4.0+ Low Energy devices).
To recheck battery level factual faucet on the notification.
Recheck added for pre O androids
Tried to repair crushes on O+ androids. OMG, I so abhor android env: Provider, IntentService, JobIntentService, JobScheduler, WorkManger and nothing works effectively.
Safe Now