public function getAllDevices()
    {
        $devices   = array();
        $devicesId = $this->getAllDevicesID();

        foreach ($devicesId as $deviceId) {
            /** @var $device \Wurfl\Device\ModelDeviceInterface */
            $device    = $this->getDevice($deviceId);
            $devices[] = $device;
        }

        return $devices;
    }