Rated 5 out of 5 stars

nice add-ons
and good job! *thumbs-up*
oh yeah,
I have a your add-ons with " Indonesian " translation
see here -> https://dl.dropboxusercontent.com/u/35705403/Portable/Creator/privatetab.xpi

This review is for a previous version of the add-on (0.1.3). 

Thanks, I added your translation:
https://github.com/Infocatcher/Private_Tab/commit/79afb4b52c2743d1e4b446dbeba24a12f65d11eb

You was wrong with <em:localized> blocks, but this isn't essential. :)

I also added
<em:translator>Muhammad Anwar Ramadhan (Daisuke Dan)</em:translator>
(let me know, if you want to see something another)

And I have have some comments:
https://github.com/Infocatcher/Private_Tab/issues/79