So why the fork of the original MIT project now? The success of MIT’s App Inventor meant it had outgrown ... says Li — simply by slotting together the blocks of code it uses to simplify ...

you then switch back to the Blocks tab to actually build the application. Here is where the real innovation of MIT App Inventor shines through because it makes programming the application very visual.

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.