Meet the Samsung DeX Pad: an awesome accessory for Samsung Galaxy S8 to S9+ that brings a desktop experience to your Android device. It comes with a built-in fan to keep your phone cool. You also get 2 x USB 2.0 ports, USB-C charging port, and HDMI output. The device lets you use your phone as a trackpad.
Thanks to this little gadget, you can connect your smartphone to your monitor and switch between apps via drag & drop. Will be available for under $100.