Yea, I've been waiting for this one for a long time too, more than a year ago the developer mentioned this game while I was talking to him in the pocketmatrix forums, I've been playing the betas since he released them a couple months ago, I have to say that this game seems perfectly suited for PDA gaming, while other PDA games seem to lose my interest within a week or so, I can see this game holding up for a long time. If I'd known you guys dident know of this game I'd of posted it earlier, guess I was too busy playing it...
Oh and for the practice, I've suggested it to the developer a while ago, my guess is that there is a chance he will implement one in the final version, although the new beta's stroke is much better than the first, it still takes a little getting used to. Just curious but if you dident know try tapping and holding on to some of the on screen buttons like zoom and dragging up/down, I suggested this too, and am curious if its useful or not, personally a couple tweaks and I'd think it would be very useful. ;)