The PSP God of War games were getting the HD remastered treatment as announced by Sony. Since the PSP God of War Games were mostly explaining the origins of the PS2 God of War, they were mostly prequel game. This collection is labeled as God of War Origins Collection and is coming out soon this September.
The games look superb in HD, it is unbelievable that these were PSP games. The graphics look decent enough to give the feeling of PS2 games. See the trailer below and decide for yourself. Make sure to watch the trailer in HD.