The solutions for ERp, CRm and workflow approval on Blackberry, Andorid and iPhone are based on "lean mobile", which means they need no middleware and are directly connected to ERP and CRM backend systems via Services (SOA). This saves hardware, administration and development. They run online and offline. Customer specific enhancements for BlackBerry, e.g. customer specific data fields or pages, can be very easily added with pure coding and customizing in ABAP function modules (RFCs). So the you do not need Java or BlackBerry development skills.
Please see the details in our infokit, see videos and install a demo on your BlackBerry: http://infokit.mobilityforsap.com
Mobility for SAP - Mobile Access to SAP via BlackBerry or iPhone — This consulting solution provides easy access via BlackBerry, iPhone and Android to CRM, ERP and mobile workflow approval. Get a demo, see the videos and more information.