Hi!
SAP Business One 9.0, version for SAP HANA PL02 has been released, you can update to the latest patch release.
If you haven't installed yet SAP Business One 9.0 version for SAP HANA you will need to run first the SAP Business One 9.0, version for SAP HANA installation package, afterwards you will be able to upgrade to PL02.
Don't forget to check the following very important SAP Note giving details about SAP HANA matching versions for all B1H releases:
1841037 - Central Note for SAP Business One 9.0, version for SAP HANA (SAP S-user required).
Check my previous blogs if you look for more details on SAP Business One 9.0, version for SAP HANA and SAP Business One 9.0, version for SAP HANA PL01.
Just upgrade to the latest version!