Nothing I see says GPO 4.02 exactly, but if you open the Aria player and click on "Settings" on the right hand side, all the versions are displayed there.
Aria player is 1.02
Aria engine is 1.093
Hope this helps.
I had found the Aria versions but haven't been able to find the GPO, JABB or the Steinway version vis the Aria player. The dedicayed Steinway player does show the piano's version.