The j5create Android Usb Display Adapter acts as an external video card for your Android Mobile Phone. It allows you to add an additional monitor/display through your Usb MicroB port or Type-c Port. Simply load the Google Play app ("j5 Display Adapter" App), plug the adapter into the Usb Micro-b port or Type-c port, then plug the Vga or Hdmi monitor cable into the adapter and you are ready.