You could have downloaded Floid 1.0.0 for Mac from our application library for free. The program lies within System Tools, more precisely System Optimization. This free Mac app was originally developed by Floid.
From the developer:
An interaction design tool for any platform and device. Comfortably import your finished graphics. Mirror real time with mobile apps. Screencast your prototypes and share with others. Build multiscreen app flows in seconds. Export and let others test your prototypes.
You may want to check out more software for Mac, such as WebGrab-FF2, Dream Day Wedding Married in Manhattan or FanControl, which might be similar to Floid.