app inventor 2 install on ubuntu1204

1.If you have previously installed the App Inventor setup software, you should remove those files before installing the new software:

sudo rm -rf /usr/google/appinventor

sudo rm -rf ~/.appinventor

2.

Download the Appinventor Setup installer Debian package. 

sudo dpkg --install appinventor2-setup_2.3_all.deb

3.Starting aiStarter 

/usr/google/appinventor/commands-for-Appinventor/aiStarter &

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網址    http://ai2.appinventor.mit.edu/

reference from 

Installing App Inventor 2 Setup on GNU/Linux

(http://appinventor.mit.edu/explore/ai2/linux.html)

for win os http://appinventor.mit.edu/explore/ai2/windows.html