Google App Inventor was originally Laboratory (Google Lab) is a sub-program participation by a group of Google engineers and the courage to challenge Google users. Google App Inventor is a completely online Android application development environment, abandoned complex code and to complete your application using the Android stack Lego-style law. In addition it is also officially supported Lego NXT robots, robots for Android beginner or developer is a godsend. Because for those who want to control the robot using a mobile phone user, they need not be too gorgeous interface, just use the basic components such as buttons, text input and output can be. The App Example was developed by MIT AppInventor 2, the program includes source code, can provide learning MIT AppInventor 2 reference.