VVVVVV is now available on Linux by way of Steam, Cavanagh announced earlier today. The port requires Ubuntu version 12.04 LTS (aka "Precise Pangolin") running on a machine only slightly more advanced than a George Foreman grill, so chances are good that your box can handle it.
Cavanagh recently revealed that testing has begun on an iOS version of VVVVVV, though its release shouldn't be expected anytime soon. Meanwhile, our desperate pleas to have Xbox 360 controller support patched into the PC version of the game have thus far gone unanswered. Sources familiar with our deepest desires inform us that we'd be prepared to offer Cavanagh upwards of five dollars and a sizable baguette in exchange for this functionality.