I went thru this post and it is still not clear to me:
Is it possible to get shell access to (standard) Kindle 3? Suppose, you have up-to-date firmware, reset done, no factory left-overs in the Kindle.
Then, would it be possible to somehow combine
Fonts & ScreenSavers hacks for Kindle 2.x & 3.x to install jailbreak as described there and then install testtools.jar, so these commands would start working?