I tried it, and I think that's a positive change, although I don't think it would be a bad thing if the user could define the grid size (within limits) to set their own level of challenge. I think I might've been okay with 6x6.
The other thing that I think needs similar adjustment is the wave-tuning mini "game", that was what made me give up on the game again today. It's not just terribly dull and repetitive, it also requires the player to put their focus firmly on an area of the screen that doesn't have anything sexy on it. What's the point of the image slowly coming into focus, if I can't look away from the wave? I think the tuning would be a more enjoyable process if you loosened the radio frequency theming and made it something that overlaps with the image. For example, the first step could be tracing a circle around the perimeter of the image, and the second could just be clicking little bubbles or circles that pop up at random places on the image. Doing something like that would allow the player to be teased and titillated a bit more while they're bringing the picture into focus. Speaking of focus, it might be a little more visually appealing to have it just be fading into view (through a blank screen that gradually grows more transparent, for example), rather than the color separation gimmick you have now.
