that aims to let normal non-gearheads write applications for Android phones with no programming knowledge This is a misunderstanding. You need programming kno

that aims to let normal non-gearheads write applications for Android phones with no programming knowledge This is a misunderstanding. You need programming knowledge to make programs. App Inventor takes out/simplifies the coding requirement. If you want to make Tetris with App Inventor, you still need to know (or learn along the way) how to program.