Microsoft announced the games coming to Xbox Live in the US in the next few weeks, and Jurassic Park: The Game is scheduled to come out on Xbox Live On Demand on April 10.
So far, there's no news about an international release, but since the non-Telltale published European retail Xbox 360 version was cancelled in Europe, the presence of an online version in the US is a still-slim chance that European Xbox 360 owners may receive this game through a Telltale published online release.