1. SAP Help Portal: SAP Build Work Zone
Advanced Edition - Administration Guide
Section: Setting Up Mobile Access.
This official guide explicitly states: "Users can access sites of SAP Build Work Zone
advanced edition on their mobile devices in one of the following ways: Using the SAP Mobile Start app... Using a mobile browser..." This directly validates options A and B.
2. SAP Help Portal: SAP Mobile Start - Feature Scope Description.
This document details the functionality of SAP Mobile Start
clarifying its role: "SAP Mobile Start is the native entry point to the Intelligent Enterprise that works as a mobile client for the SAP Build Work Zone
advanced edition." This confirms SAP Mobile Start as the official native app.