This pencil

How can I remove this pen and the red dots?

Ipad setting/Shapr3D/tutorial mod off

What @JST said, and also you need to remove Shapr3D from the background (restart it).

you can ask the shop help

Please connect me to someone from your billing department.

I suggest you use their support form:

https://support.shapr3d.com/hc/en-us/requests/new