Specifically, Google Nexus users, Samsung Galaxy and HTC smartphones average 99 seconds, 103 seconds and 105 seconds respectively to complete the test. Meanwhile, Windows Phone or BlackBerry users come from Nokia smartphones and BlackBerry completes the slowest test. Logically, iPhone users are the smartest among other operating system users.
However, it should be noted that this is only an entertaining survey and not enough to prove that iPhone users are smarter than Android, Windows Phone or BlackBerry.