Yup, I did this and it's great. I also ended up assigning the thumb key to 0, since I've noticed it's used more often than other digits (and also you have to fi

Yup, I did this and it's great. I also ended up assigning the thumb key to 0, since I've noticed it's used more often than other digits (and also you have to fit it somewhere, since the other ones are in a 3x3 grid).