Global Gaming as a Service Market Size, Share, and Demand Report By Platform (PCs & Laptops, Consoles, Mobile Devices, Smart TVs & Cloud Terminals), By Revenue Model (In-Game Purchases, Subscriptions, Advertising, Pay-Per-Play), By Game Genre (RPG/MMO, Action, Shooter, Sports, Simulation, Casual), By End Use (Individual, Commercial), By Region & Segment Forecasts, 2025–2030