Используйте приложение APKPure
Историческую версию BT Tools можно получить на Android
Авто включение / выключение BT во время разговора.
This application is still in beta stage.
MORE FEATURES COMING SOON.
Features
1. Auto enables/disables the BT during a call .
During a call .. the blue tooth is automatically enabled , power on your headset and will get paired in 4-6 seconds.