protected function checkPlatformCustom()
    {
        foreach ($this->_customPlatformDetection as $platformName => $customPlatform) {
            $platformNameToLookFor = $customPlatform['platformNameToLookFor'];
            $isMobile = $customPlatform['isMobile'];
            if ($this->containString($this->_agent, $platformNameToLookFor)) {
                $this->setPlatform($platformName);
                if ($isMobile) {
                    $this->setMobile(true);
                }
                return true;
            }
        }

        return false;
    }