Download Troco Simples, the official Android app for receiving digital change at participating retail stores. Register with your tax ID, receive your change as digital balance when you pay, and use it for future purchases, bank transfers, mobile top-ups, or charitable donations. This financial platform turns small coins into usable credit, with earnings on your accumulated balance. A simple and secure mobile experience for anyone who wants to avoid carrying physical change. Get the official Android download now and start building your digital change balance.