The macro "farmyetl" for "Rappelz" can be downloaded and used on any mouse and keyboard. Installing the macro is with one movement in the Keyran program and increases your skill level in Rappelz, if you follow the instructions!
If you need to farm mobs in the Yetis game as a free user, here is an example of a macro that will attack them for you:
/macro attack
/attack
You can assign this macro to any free button on your keyboard or mouse to easily attack mobs in the game.