Welcome Game Developer!
GRACE2 has been built with multiplatform developement in mind, from the very beginning. You can create next casual freemium hit on mobile platforms such as iPhone and Android, or big budget, complicated, epic cRPG for PC and Xbox360. It is very flexible, not tied to any particular game genre. Contains lots of effective, network-based tools. License is free for non-commercial use. You can learn more about the deal at license page.
If you’re interested, take a look at full list of features. Example screenshots from games that have been created on GRACE2:
Here’s a video showing a port of a popular game Chicken Shoot, made using GRACE2 for iPad 2 tablet: