Hello
This video doesn't start on mobile devices because it requires an user action to start.
If you add an interface button and start the video on click callback, it will work well.
We haven't supported it because it's a code snippet, it should be simple

What's about the flat shading?

But currently it works only with smooth shading
If this workaround is OK for you, I can build the exporter, which can use both shading models (flat and smooth).

Hello
Could you try to use Shape Keys?

Hello

How do you change the behaviour of the shift key to do the opositte, run when pressed and walk without it being pressed?

You can change the Run Speed, it will be used when the shift button is pressed.

How do you use the motion_cb rewrite? Do you completely rewrite the motion_cb or do you add the funcionalities you need after the default callback is called?

motion_cb rewrite? We do not rewrite this callback. It's called when one of the movement buttons is pressed. It helps us to detect the direction of character movement.

Можно ли запретить outlining-у просвечивать объекты?

Добрый день.
В настоящее время это делать нельзя, но мы добавили эту задачу в наш TODO список.

Hello
Change the setting of character:

Hello

Should I change the css

Yes, you should. You can find the CSS file in the project directory. Just change the width and height properties

Hello
Please try to use the constant "left" and "top" values in %, for example:
#my_design {
position: absolute;
left: 10px;
top: 20px;
box-shadow: 0px 0px 10px rgb(180, 180, 200);
-webkit-box-shadow: 0px 0px 10px rgb(180, 180, 200);
background-color: #000;
border-radius: 20px 20px 20px 0px;
color: #fff;
box-sizing: border-box;
padding: 6px 12px 6px 12px;
box-shadow: 0 0 4px 2px #fff;
font-family: Arial;
font-weight: bold;
font-size: 12px;
line-height: 1.25;
}

Could you show the character's settings from Blender? And the code lines from the script