i have fat thumbs, sometimes when i jump, i'll push the analog stick and go into a grab then die by something stupid like kratos lvl 1
The Vita's "shape" really has nothing to do with it. Controls just seem tigher on it than the PS3 (using the Dualshock, I'd press Down + Triangle to use Kratos' Barbarian Hammer or Ratchet's Buzz Blades, and the game would register it as an air-dodge command). I play exclusively on the Vita
well the shape definitely has something to do with it for me, as the PS3 3 controller fits my hands better, and the d pad is in a better position, as my thumb tends to hit the analog on the Vita.. but regardless, I seem to play better on the Vita.