Pretty simple in PlayCanvas. It's a sphere with a camera in the centre. Texture is applied as an emmissive map on the material. Took me about 5 mins.
Project is here: https://playcanvas.com/project/349830/overview/office
Project is here: https://playcanvas.com/project/349830/overview/office
The texture, as provided, maps on the sphere primitive created in PlayCanvas. So no need to worry about texture co-ordinates.