This document summarizes a session on HTML5 cross-platform publishing for tablets and mobile devices. The session featured speakers from Corelio, the largest newspaper publisher in Belgium, and Twipe, a mobile app development company. They discussed the increasing diversity of tablet devices and operating systems and the challenges of cross-platform publishing. They presented case studies of their partnership to create hybrid apps that combine native functionality and responsive web design. They concluded that while "100% pure" cross-platform development is difficult, their hybrid approach provides a cost-effective strategy, but testing across many devices and platforms remains a challenge.