Hi,
Don't spend your time to find the reason.
BI platform content is not supported directly in Safari on iPad or Chrome on Android, only through the Mobile BI apps on these platforms.
Please see PAM chapter "SAP BusinessObjects BI Platform 4.1 Mobile Clients supported with this release"
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/507d3365-009b-3010-04b0-e5abc8f00c91?QuickLink=index&overridelayout=true&59407987714033
Best regards,
Roman