Hi Mavoo,
First, SAP HANA is mainly a database.
second,when talking about ABAP and HANA we need to think more about integration and leveraging.
below is a very good article and a previous discussion .It will give you better view and outlook.
http://scn.sap.com/docs/DOC-29357
http://scn.sap.com/thread/3202965
Hope this helps.
Moussa