Slant Six Games is a video game developer known for working in games such as Socom or Resident Evil: Racoon City. It appears that the company was working on a Medal of Honor game for PS Vita.
@supererogatory has found some concept art of this Medal of Honor for Vita on an artist’s portfolio site suggesting this was a real project.
Unfortunately, Medal of Honor: Warfighter had a poor reception and EA’s Peter Moore announced the IP is “out of the rotation”.
Besides, Slant Six Games issued temporary layoffs this past April and makes even more unlikely the viability of this project.