MBG on X: Metal Gear Solid 4 Guns of the Patriots is rumored to be part of the MGS collection volume 2. This means it would finally be free from the PS3

25 years later, Metal Gear Solid has aged very, VERY well

Metal Gear Solid HD Collection : Konami of America

Metal Gear Solid 4: Guns of the Patriots - IGN

Metal Gear Solid 4 possible on the Xbox 720 – Kojima

IGN: Metal Gear Solid 4 Finally Freed From PS3 as Part of Leaked

Metal Gear Solid 4: Guns of the Patriots, Metal Gear Wiki

Calaméo - D+Pad - Issue #8

Metal Gear Solid 4: Guns of the Patriots (PS3) : : PC

Metal Gear Solid 4: Guns of the Patriots : Video Games