U Sein Lin, a retired history teacher in Myanmar, had never played a video game in his life. But about a month ago, while scrolling through Facebook, he stumbled on War of Heroes — The PDF Game.He has been playing it nearly nonstop ever since.For Mr. Sein Lin, 72, killing virtual Myanmar troops is a way of participating in real-life resistance to the country’s ruthless military, which has killed thousands of citizens after seizing power in a coup last year.Since its debut in March, War of Heroes has been downloaded more than 390,000 times. Many players say they are motivated by the creators’ pledge to donate proceeds to help finance resistance forces in Myanmar, and aid those who have been displaced by the fighting.“Even though I can’t kill s …
