This is an application for measuring the speed of the internet network, internet network with a note that you wear should be stable. From there, you can use this application. The way it works, you just touch the bottom of the LCD screen is the image of the logo of an analog clock to start the measurement speed internet network. It belongs to the Ookla speedtest app, now available in the Windows store. This application, not for Lumia only. But, for
Some settings in it, including your location settings (on-off). In addition, ip is detected automatically in the settings tab ... both Internal and external ip. For more details, see some of the pieces could be in the picture.