Android : how to show right-to-left language in FBReaderJ in android?

I want to use FBReaderJ for reading Persian book that is an rtl language. In FBReaderJ all words are shown correctly but words are reversed like this:

سلام بر شما (correct)

شما بر سلام (wrong) in FBReaderJ

I downloaded FBReaderJ source to see if I can do any thing to fix this problem but FBReaderJ is a huge project and I can not do it.

I found an edited version of FBReaderJ for supporting Arabic but I failed to import it or recognize what they did.

Do you have any idea ?

(sorry for bad english)