To download and install SAP Business One for iPhone and iPad on an iPhone, iPad, or iPod touch, go to Apple App Store and search for SAP Business One. You can also follow this link http://itunes.apple.com/app/sap-business-one-mobile-application/id392606876.
When you tap the app icon on your iPhone, one logon field of Password or two logon fields of User Code and Password appear, depending on your settings.
Note: The SAP Business One start icon shows the total number of unread alerts and unread approvals. This counter is updated only when you leave the app. There is no push or notification service for new alerts and approvals.