I've played some FPS games with a trackpad for lack of having a mouse available, and on a larger, higher precision one (e.g., Macbook size) it was not a bad experience at all. You can move a finger a lot faster than a whole arm. Reflex high-res motion at the pro Counter-Strike level isn't likely, but for the casual gamer, trackpad FPS control absolutely seemed plausible. So I believe this kind of input will work for many games that need pointing, and I also believe it will solidly outpace analog sticks for FPS games.
The Halo two-analog-stick model that has taken over the genre was always awkward and imprecise compared to keyboard/mouse (probably most of the skill in Halo was simply getting used to the stick dead zones and the acceleration/deceleration of the look field). I will be happy to see it fade away.
IIRC I've always been old that I should move my whole arm with the mouse. The idea being that it's a small movement for your elbow/shoulder but a much larger movement for you wrist so you can avoid wrist injuries by moving your whole arm.
Ideally you move your fingers, not your arm or wrist. Realistically though, nobody is playing games by moving their arm, even if that is perhaps what you are suppose to do.
I mean, those same ergonomics guides also tell you to keep your back straight and your feet flat on the floor in front of you. How many people do that?
well, I don't move the wrist as well - the idea is that you rest your wrist in a comfortable position, and move it with your fingers, the full range of motion needed is less than an inch.
If your arm is up in the air so that it can move the mouse, then it will get tired after a few hours, won't it?
depending on what motion you are doing with the mouse, from careful aiming through to whipping right round in circles with the mouse coming off the surface, you end up using everything from your fingers to your shoulder. Up and down (away and toward) motions are generally shoulder motions, for instance, unless they are very slight, as otherwise you arch your hand too far off the mouse.
I haven't used a thumb-controlled trackpad, but do use a trackball which I'm imagining might be the most-similar experience to this input controller, since it's a thumb gesture but still much closer to the precision of touching a surface than wiggling a stick. I'll be really excited if this makes the FPS experience in my living room actually work for me.
Try as I might, I can't get used to moving around with my keyboard.
While I might be slightly more accurate at aiming with my mouse, actually moving around with a controller is considerably better for me. To each their own.
I understand the moving thing, though I got used to it really well - but the accuracy of my mouse is so much better that it makes the difference between getting killed and dominating.
The Halo two-analog-stick model that has taken over the genre was always awkward and imprecise compared to keyboard/mouse (probably most of the skill in Halo was simply getting used to the stick dead zones and the acceleration/deceleration of the look field). I will be happy to see it fade away.