While really well made, it's a fake.
The first key off is this week's Famitsu Table of contents. Look closely at the PlayStation 3 section, which has been highlighted. Neither Star Ocean: The Last Hope or Star Ocean 4 is listed. Some other sites are claiming the scan is from Dengeki, but the info box where it says PS3 is from Famitsu. An example of a Dengeki scan for tangible Crisis Core: Final Fantasy VII is posted below. A scan of Wet, which is coming to the PS3 is posted below for comparison.