1- Open the "Remote Zoom In" application from the "Visual studio Remote Tools"
2- Select to what device or emulator you want to connect. In case your connecting to a device make sure its connected to the PC with the USB cable.
3- the application will connect to the device/emulator and you will see the screenshot. if you would like to take another screenshot, just click the "Refresh" button
4 - To save the screenshot, select "Save as".