A lot of these demo apps that keep appearing for Windows Phone 7, which isn’t even available yet, are looking very nice. Here’s a social-network-connected golf scoring app that looks like could be very useful (if you’re a golfer.) The app lets you manage groups, golfer friends, local courses, and of course the score as you play. It also connects with your golfer friends for updated scores and stats. Check out a couple videos taken from “Windows Phone Design Days” recordings.