Originally Posted by
Speedy1515
ZoomHack can actually be quite useful. In the cases where you're playing against long range champions, like Nidalee or Janna, it can give you that extra time needed to avoid their skillshots.
Item Changer is mostly a convenience thing. It allows you to minimize the amount of time it takes for you to navigate through the in-game shop, saving you precious time and allowing you to get back to your lane and farm up!
Skin Installers are for fun. Nothing else. Who's to say whether its useful or not? Its usefulness is dependent on the user.