Chrome Remote Desktop is an official Google app, and as its name suggests it allows you to control your computer directly from the screen of an Android device. In order to do so, the only thing that you have to do is configure the app and associate it with the computer that you want to control.
In order to make Chrome Remote Desktop work properly, you first need to install the Chrome extension on the computer that you want to control. Once you've completed that first step, you just have to link the computer and your Android device in order to control the former from a distance.
The quality of the audio and the video that you stream on your device is excellent, as long as you have a good Internet connection. The transitions between screens are pretty fluid and as long as you don't try to carry out any complex processes, you probably won't notice any lag time at all.
Chrome Remote Desktop is a very comprehensive tool that makes it easy to control your computer (no matter what operating system you use) from an Android device. The tip of your finger will be come the mouse cursor, and you can comfortably control the computer.