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

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.