Use 7zip to open the apk and drag and drop the file out, edit it and drop it back in...resign apk and install.
Yes, that was it! Mint default archiver was the cause. I installed win7 in virtualbox and 7zip inside, did like you said, it's fine now,...
Please, Bengtan, add font size option...
Is there a slim gapps 4.4 somewhere, just with play store?
Perhaps reflashing the Stock 5.0.2 Kernel modules will fix that: http://forum.xda-developers.com/showthread.php?t=2649763
You're awesome man! ;)