Tuna Pay is a mobile payment platform that allows app developers to monetize their J2ME apps through premium SMS and in-app purchases. It offers an easy and fast registration process, works offline, provides detailed sales data, and has customizable APIs. Tuna Pay partners with over 200 mobile operators worldwide and uses a revenue sharing model to benefit app stores, developers, and operators. The document promotes Tuna Pay's services and invites interested partners to contact the CEO to learn more about bringing new monetization options to their developers.