等了两天，我申请的Google App Engine的帐号终于激活了，改天也自己创建三个APP。

Hello,

Thanks for signing up to try Google App Engine! Your account has been
activated, so you can begin building applications!

To start creating applications with Google App Engine, simply follow
this link (you may need to sign in with your Google Account):

http://appengine.google.com/

Thanks!
The Google App Engine Team