we LOVE grazing as a gameplay mechanic, I got hooked for a minute there, and the charming art helped too - big fan of the alien lookin dude that gives the tutorial, and i'm a sucker for dithered gradients :D
input delay made it a bit tougher to enjoy the gameplay, and there weren't really any "powerups" to speak of, but the basic gameplay concept scratched a nice itch for me
here's a ( silent ) recording of my experience w/it: