Migration is needed.

[ new ] Vertical text now display 0-9, A-Z, a-z 90° horizontally ( this also magically fixed the lag issue for vertical text?! )
[ new ] Custom translation table for individual books
[ change] Better translation mechanism, using downloaded translation table. Ability to manage individual translation.
[ fix ] Back button of Login prompt bdoes not work ( again )
[ fix ] Some books titles are always "