In this captivating talk, explore the remarkable journey of Google Pay's transition from native development to Flutter, and its deep-rooted connection with the open-source community. Delve into the intricacies of why one of the world's leading payment platforms opted for open source, unraveling the motivations behind this pivotal decision. Through the lens of storytelling, uncover the challenges, triumphs, and insights gained along the way, offering a unique perspective on one of Google's most significant open-source endeavors since Android. Discover the symbiotic relationship between Google Pay and the open-source ethos, and how this collaboration is shaping the future of app development. Join us as we embark on a journey through innovation, collaboration, and the power of open source, shedding light on the evolution of one of the largest projects in the tech industry. This is going to be a light-hearted talk where we will explore the why rather than how and it's deep connections with open-source. There are going to be a lot's of examples & fun along the way.