The Heart of Justice is a special item featured in Metal Gear Solid: Portable Ops Plus. It can be used to change the color of the white uniforms worn by the Genome Soldiers, into either red, yellow, green, blue, black or pink. The item menu portrait of the Heart of Justice heavily resembles a paint can.
The Heart of Justice can be acquired in Infinity Mode as one of the random items obtained from a Kerotan frog, after crawling over it.
- "Upright Heart/Heart of Justice
A mysterious new item is available: the Heart of Justice. What does it do?"
- ―Heart of Justice description on the Metal Gear Solid: Portable Ops Plus official site
- "A heart filled with a burning sense of justice. Evokes the user's hidden true form. Only seems to work on soldiers wearing white."
- ―Heart of Justice description in Metal Gear Solid: Portable Ops Plus