This document provides an overview of Frans Guelinckx's thesis exploring collaboration on tabletop and mobile devices. It discusses the problem domain, frameworks that currently exist and their limitations, and Frans' goals for developing a new open and extensible framework. The framework will have a layered design allowing connection, file transfer, integration, representation, and collaboration across tabletop and mobile devices. The document outlines the status and history of the framework, challenges, and Frans' planning and timeline for completing layers of the framework, experiments, a poster, and thesis text by specified deadlines.