Test brands and competitor brands for sportsbook, casino, UX, and platform quality. Validate access from Hungary and ensure correct localization of content. Check registration flows, real-money deposits, withdrawals, and bonus availability. Review gamification features, missions, loyalty tools, and CRM rewards. Test casino games for loading, stability, availability, and gameplay quality. Perform full payment flow tests: deposits, withdrawals, limits, and alternative methods. Confirm CRM communications (email, SMS, push, in-app) are correctly delivered. Test affiliate tracking, registration attribution, and promo landing pages. Support sign-off for new brands and brands migrating to new platforms. Report issues clearly, provide detailed reproduction steps, and verify fixes. Support urgent live incidents and help teams identify root causes.