এখন আপনি বাস্তব মন্দ ভাষা কথা বলতে পারেন
The app is Black speech and Orcish dictionary with convenient word search. It will be helpful for people who interests by Tolkien's writing.
This is free version. In pro version you will be available grammar and phrasebook sections.
All the materials from:
http://nightfallrpg.narod.ru/Vocabularies/Black_speech.htm
http://www.angelfire.com/ia/orcishnations/englishorcish4.html