unity and vuforia

Hello, i need someone to help me and guide me.
i am thinking to create coloring book, with Region Capture Vuforia and unity.
where i can save my experiences, in order to give the users to download the app that i created with unity and vuforia, i need to have my own server?
is there any package from unity ( premium ) so i can upload there my experiences and when the users will using my app, to download the experience from this server?
to be for example amazon aws.

Hope someone can guide me with this.
i am new in unity.

Thanks
Best regards.
Elias