Default [Q] Can someone help please?? (Add language)

I'm using [ROM][JB][4.1.2][V20B][MAGIC ROM Pro Edition v1]Enjoy With New Experience][29-6-2014] but there in no full polish language (only half?). I'm asking can some one will be able to add value-pl to settings.apk with decompile that I can have ROM with polish language?
Here U got link:
Thx in advice for helping!
Use to have LG P920, but tired of waiting for fully working ICS I sold it, and now I'm looking for something new...And I found another LG phone call LG Swift X4 HD