Swedrami: Applying Occam's Razor the problem may not lie with Dionous but the individual developers, and their differing prioritisation when and where to release their games.
In most cases it's the publisher doing everything business- and release schedule-related but Dionous may actually be an outlier in this regard, leaving the final say when it comes to platform-specific launch dates to the developers.
Apparently my reading comprehension is not that great since SCPM wrote a few posts above that Inner Voice is coming here. That does bode well then for us getting their other upcoming games. For Point and Click fans they have a decent amount in the pipeline.