After launching the website a couple of months back, Netflix has now launched iOS and Android apps for its Fast.com speed test service. The apps look and work exactly the same way the website did. This makes them rather unnecessary, as the site did function perfectly within the native browsers on both operating systems. As with the website, the app connects to Netflix servers to do the speed test run instead of any of the ISP servers to give a more realistic speed result. It also shows only the download speed as that's what people are usually most interested in. If you must...
Source: http://www.gsmarena.com/netflix_launches_fastcom_speedtest_app_for_ios_and_android-news-19877.php