They are the little sprites you see walking around when you are playing the game, such as the Hero character.
http://www.spriters-resource.com/nintendo/pokemon/pkmnrse/display.php?file=emalehero.png
That is the OW sprite sheet for the Hero of Emerald Version.
http://www.spriters-resource.com/nintendo/pokemon/pkmnrse/display.php?file=emalehero.png
That is the OW sprite sheet for the Hero of Emerald Version.