Good question. I like to know, too.
Create new b4a project with all 3 types (B4xTurtles, b4xpages and x2 game) and they do not include starter service. Default is the only one that includes it.
Update: I was wrong. It shows starter service in module tab but not the ide tab. That is annoying. it should show in the ide tab. Also, the example you mentioned does have a starter service. Check the module tab.
Probably encouraging us not to use starter service with b4xpages?