The second episode of Coffee on Couchbase features the 2015 Couchbase Hack Generation Y winning mobile app, OnTime, which was built by a team that incorporated Couchbase Mobile to achieve cross-platform multi-device syncing. The team's experience during the hackathon is shared in this episode, providing insights into how easily sync can be implemented within an app using Couchbase Mobile. Additionally, the Mini-Hacks series offers a straightforward way for developers to get started with creating offline-online solutions for their mobile apps.