Global Mobile Value-Added Services (MVAS) Market Size, Share & Demand Report By Service Type (SMS & MMS, Mobile Email & IM, Mobile Advertising, Location-Based Services, Mobile Money & Payments, Mobile Infotainment & Multimedia, Other VAS), By Device Type (Smartphone-Based, Feature Phone VAS, Tablet/Wearables, IoT VAS), By End User (Consumer, Enterprise, Government), By Industry Vertical (Telecom & IT, Media & Entertainment, Retail & E-commerce, BFSI, Healthcare, Government, Education), By Region & Segment Forecasts, 2025–2030