I have a wonderful group of friends from back home, ranging all over the age spectrum, who all golf together almost religiously every weekend. I made them an app that resembles the PGATour's live scoring, so folks can be on the course and input their scores on the holes and get a live leaderboard of how everyone is doing, factoring in everyone's handicap. There are some commercial apps that kind of do this, but the issue with us there are several members who for one reason or another don't. have phones to input their scores themselves, so my app lets one person in the group put their scores in for the other ones.
After I left the country, this has had the wonderful side benefit that I can still follow along with everyone's game, and has been instrumental in me staying in touch and connected to my friends, so that when I come to visit on vacation it's like I never left!
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