Game development software company TransGaming has announced the launch of GameTree TV, an on-demand gaming platform for French consumers that can be used directly through existing set-top boxes. Working in partnership with Free, a leading French telecommunications company, TransGaming has brought its new gaming platform to the Freebox Revolution, a set-top box that launched last December. GameTree TV has launched with 25 titles, including Bejeweled, Plants Vs Zombies and World of Goo, with more titles …