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!
My smartphones:
Nokia N95 -> Sony Ericsson W960i ->iPhone 3G 16GB -> LG P920 Optimus 3D -> LG Swift 4X HD -> LG G Flex