This might be useful but I'm not sure what we would do if a user cancelled the import.  What if it got through a part of the import, should it delete everything it did so far?  We will investigate this further.

Based on our emails back and forth it seems that your app never successfully uploaded so the 404 means that it cannot find the app.   My suggestion is to try this from a faster internet connection.  177MB is not too heavy for an app, but it is heavy if you don't have a reliable and fast internet connection.

Here's an article with some interesting examples of separating content that might involve linking outside of the app:

How Are Kids' App Developers Connumicating to Parents?

To use math equations, you could use the SetText behavior in combination with a condition that checks whether the answer is correct.

Some of the techniques involve multi-touch, or other interaction gestures that might be less familiar to young children.

This is already fixed.  You need to uninstall your desktop player and download the latest InteractPlayer for the desktop.

Click here to download

1.29GB is huge, but keep in mind when you  share or publish the app only the files that are used in the app will be published.  

You can delete those files, they are backup database files.

Might be related to our iOS7 fixes.  We will get this resolved ASAP.

Planned for version 3.4.