Create tunable variables for any device in your project. Adjust them in realtime and see the changes as you are playing your game without restarting or rebuilding. Then save your values as presets to be loaded when your game starts.
The Tuning Tool gives you an impressively fast workflow for balancing and fine tuning complicated system, and since it works over your network use it on any sockets enabled device even when it is not attached to your computer.
Windows, OSX, and Linux require Unity Basic
Windows Mobile, iOS and Android require Unity Pro