There is a link on the Collatz main page to the Optimized Applications.

Technically, the optimized apps are the exact same as the stock apps. The only difference is that they include an app info as well as instructions on what the command line settings are and what they do so that users can tune their GPUs to get to that point where the video is at 99% and response just a little sluggish which means it is running as fast as it can.