[cryptoz]

Sure it is. What makes it not general purpose? You can write and execute programs on it. How much more general purpose can you get?

[UnoriginalGuy]

You can? From all the reviews I've read it runs web-"apps" things. I've never read that it can run software developed for the platform specifically.

[BHSPitMonkey]

You can run Native Client code on it, just as you can in Chrome the Browser.

https://developers.google.com/native-client/