It will randomize the encounter table of the current map you are on.
You will only encounter Pokemon you have not yet captured.
Once you have all 721 captured, then it will let you encounter anything.
To use this plugin, place Pokemon Randomize.plg into the following folder on your SD card depending on your game.
X: /plugin/0004000000055D00/
Y: /plugin/0004000000055E00/
OR: /plugin/000400000011C400/
AS: /plugin/000400000011C500/
You will only encounter Pokemon you have not yet captured.
Once you have all 721 captured, then it will let you encounter anything.
To use this plugin, place Pokemon Randomize.plg into the following folder on your SD card depending on your game.
X: /plugin/0004000000055D00/
Y: /plugin/0004000000055E00/
OR: /plugin/000400000011C400/
AS: /plugin/000400000011C500/