Now you know, how to launch WebXR Modules using this Self Learning (WebXR) article. You must be wondering how to play around with that. 

1. Navigation within the modules:

For navigating within the module, you can use arrow keys and WASD keys for making forward, backward, left, and right. 

2. Selecting any object:

You can use LMB (Left Mouse Button) to click on any object. 

3. Drag and Drop: 

Use your LMB to hold the object, move your mouse, and drop the object once your cursor is in the right position.