Translate the iOS locale files to your native language (provided it wasn't translated already) - discuss this in our IRC channel.  The files to be transated are:http://code.google.com/p/hedgewars/source/browse/project_files/HedgewarsMobile/Locale/English.lproj/About.strings
http://code.google.com/p/hedgewars/source/browse/project_files/HedgewarsMobile/Locale/English.lproj/Localizable.strings
http://code.google.com/p/hedgewars/source/browse/project_files/HedgewarsMobile/Locale/English.lproj/Scheme.strings
http://code.google.com/p/hedgewars/source/browse/project_files/HedgewarsMobile/Locale/hw-desc_en.txtThe format is "XXX" = "YYY"; where XXX is the original word in English, while YYY is your translation.

Please note that the translation must be already already available in engine.