Grandia III Currently Available as a PS2 Classic on PlayStation 3
While it was originally included in the PlayStation Store update on July 19, 2016 and subsequently removed, Grandia III is indeed available on the PlayStation Store for the PlayStation 3.
Coming in at $9.99 and taking up 8.1 GB of space, Grandia III is a PlayStation 2 game developed by Game Arts and published by Square Enix in 2005 for Japan and 2006 for North America.
It became available as a classic title on PlayStation 3 in Japan in January of 2015. It was rated by the ESRB for PlayStation 4 earlier this month, but has since been changed to PlayStation 3.