App Inventor — a Google cast-out that is now maintained by MIT — is a graphical tool that unlocks the power of an Android handset to those with the most basic of programming understanding.

Drag and drop your way to Android programming. MIT App Inventor, re-released as a beta service (as of March 5, 2012) by the MIT Center for Mobile Learning after taking over the project from Google, is ...

Here is where the real innovation of MIT App Inventor shines through because it makes programming the application very visual. Each function is represented by a colorful jigsaw puzzle-like block.