Используйте приложение APKPure
Историческую версию Bluetooth Chat можно получить на Android
Bluetooth чат позволяет двум андроид устройства выполнять два пути текстового чата.
Bluetooth Chat is an app to app messenger to send short messages over short distances, communication doesn't result in any charges, messages are sent directly between devices equipped with this application. Communication takes place directly between two devices equipped with this application, devices must be within communication range, devices must be paired and Bluetooth adapter must be enabled.