BEIJING – Ahead of the new school year, Beijing issued a series of guidelines recommending that mobile gaming companies limit the amount of screen time for children under 18 to no more than three hours a week. The stricter guidelines are the latest move in a decades-long effort to tackle gaming addiction. Please subscribe or log in to continue reading the full article. Get unlimited access to all stories at $0.99/month Latest headlines and exclusive stories In-depth analyses and award-winning multimedia content Get access to all with our no-contract promotional package at only $0.99/month for the first 3 months* Subscribe…