Google App Engine 1.7.7のアップデートでソケット接続がサポートされたことによってAppleのPush Notification Serviceが使えるようになりました。 Google App Engine Blog: App Engine 1.7.7 Released Outbound sockets is now in preview in this release for Java and Python. With outbound sockets, billing-enabled App Engine applications can now make outbound connections with TCP or UDP sockets. This allows developers to build applications that weren’t pr