Here it goes: The bad news is that I am so disappointed with the poor performance of the Java (Dalvik/Android) version that I am putting it aside for now.
The good? Thanks to the brilliant people behind the Android os, the NDK allowed me to port 95% of (Legacy 2010) uBook in two weeks:

It is (not too) far from finished, the fonts are the big item on my list.
Otherwise, here's the APK for you to try:
uBook Legacy for Android
It works on my (Canadian) black Pandigital (Android 1.5) and on the emulator (Android 2.2), both with good speed results.
More to come...
















