Instead he’s showing off the power of App Inventor to get your Android controls up and running fast. Check out the third button down; when was the last time you added voice commands to your project?

The App Inventor source code was released by Google and MIT yesterday as part of a three-month project to create a full-fledged App Inventor server for public use.

And because applications can now be created in-house without even relying on any external libraries, those applications made by App Inventor will be free from hidden vulnerabilities or malicious code.

Suppose someone came to talk to you and said, “I need your help. I have a Raspberry Pi-based robot and I want to develop a ...

A version of this article appears in print on July 12, 2010, Section B, Page 6 of the New York edition with the headline: Google’s Do-It-Yourself App Creation Software.

Google on Monday revealed a new software tool that lets just about anyone make apps for mobile phones that use its Android software.