VEXcode VR is a new programming environment in which you can test your programs without needing to access the robot. It can be accessed through a browser and on iOS as an application. This is done by using a virtual robot provided inside the environment. The website is only available to program in block form, and there is still no text replacement for this yet.
You can access VEXcode VR from the link here. (vr.vex.com). This will take you to a block programming website, where you can program and play around with your virtual robot. There are tutorials linked in the website, and also linked right here. These consist of 6 videos, which introduces VEXcode VR and teaches how to use it in amny aspects.