Not ALL features of standard WebI are supported in Mobile, the links sent about expains. You can also look at another link when Designing & Deploying especially for Mobile
http://help.sap.com/businessobject/product_guides/sbo41/en/631_mobiOS_Repdesigner_en.pdf
You can also go through the the BI Mobile Tutorial for SIMPLE instructions
Official Product Tutorials – SAP BusinessObjects Mobile
Regards,
Ajay