From the Steam store page:
Game and software creation has never been easier or quicker than with Clickteam Fusion 2.5! Discover the tool used by so many multimedia professionals, game creators, and creative people from all walks of life.

With CF2.5’s amazing event editor system you are able to quickly generate games or apps without mastering a traditional programming language.

Within your first hour you will have learned the basics of the tool. Compile a windows app with a mouse click, Or target additional platforms like iOS, Android, Flash and XNA (Windows Mobile phone and Xbox) with the purchase of our optional exporters.

Harness the power of Clickteam Fusion 2.5 today.