Hello, good morning, how are you, I would like to know if with the plus plan I can have the project domain completely customized with the name I choose?
Yes, the Plus plan includes an option to set your own custom domain.
On the plus plan, can I remove the shapespark name from the domain?
Yes, with the Plus plan if you have your own domain, say example.com, you can change the <username>.shapespark.com in scene URLs to <subdomain>.example.com (where <subdomain> is the subdomain name chosen by you).