Both phone platforms are based on Linux and QML/Qt, but other than that there are very different propositions, so I don't know if Edge backers are also interested in the Jolla device. Canonical focuses on:generic OS for desktop, phone and tablet phone can be used as desktop computer high-end hardware Jolla:phone OS only best phone experience possible (UI focused on phone-screen-size, android application compatibility etc.) individualized hardware (switchable covers, different colors etc.) If I would classify, than the Edge is more similar to the N900 and the Jolla phone more like the N9 in design philosophy.