An 11-year-old saw something he could never forget. Now he’s 16 and set on making an impact.

What’s your favorite mobile app? You’ve got your photo-sharing apps, your weather apps, your fling-computer-generated-birds-at-a-pile-of-virtual-rocks apps … but what about the one where you can help eradicate hunger? 16-year-old Kiran first visited a soup kitchen when he was 11, and he never quite got over the sight of that long line of people waiting for…