Video game retailer class="mandelbrot_refrag"> GameStop Corp reported a 7 percent rise in quarterly revenue, driven by growth in its mobile class="mandelbrot_refrag"> business and demand for new games consoles made by Sony Corp and class="mandelbrot_refrag"> Microsoft Corp . GameStop's shares rose as much as 5 percent in extended trading on Thursday, after the company also reported a better-than-expected first-quarter profit. class="mandelbrot_refrag"> GameStop forecast second-quarter class="mandelbrot_refrag"> earnings of 12-20 cents per share. Analysts are expecting earnings of 17 cents per share, according to Thomson Reuters I/B/E/S. To combat falling video game software sales, GameStop has stepped up sales of used games and hardware in recent years, as well as expanding its range of digital and mobile products to include iOS and Android devices in some stores. The Grapevine, Texas-based company said