A free app for Android, by Microsoft Corporation.

The world is your sketchpad. With Sketch 360, you can quickly and easily create accurate sketches of spaces, even real ones. This tool is especially useful for 3D game designers, architects, and anyone who wants to create a realistic image of a space but doesn’t have the time to do it in real life.

It is an online tool, so you don’t need to install it on your computer. You can use it from anywhere, and all you need is an internet connection. 

You can use it on one of your computer’s screens or on your phone or tablet.