Is Reelshort a Chinese app? Why is it suddenly so popular in the United States..

 As of my last update in January 2022, there wasn't a widely known app called "Reelshort." It's possible that it emerged after that time or that it gained popularity after my last update. Without more current information, I can't confirm whether Reelshort is a Chinese app or why it might have become popular in the United States. If it's a new app, its sudden popularity could be due to various factors such as unique features, effective marketing, or viral content. If you have more recent information, feel free to share, and I can provide insights based on that.