To create your own localisation you have to translate 3 XML files. Download an existing localization for language(s) you plan to use as base and translate them to your preferred language.

FBReader for Android includes localisations for 34 languages. You can find them in the respective archives:

• Arabian localisation files (by Ahmed Saidi)
• Armenian localisation files (by Yavruhrat)
• Basque localisation files (by Ibon Idoiaga Basaras)
• Belarusian localisation files (by Usievaład Čorny and Zmicer Turok)
• Bulgarian localisation files (by Ники Арсов and Георги Георгиев)
• Catalan localisation files (by Alfonso Montero and Carles Pastor i Badosa)
• Chinese localisation files (by Shucang)
• Traditional Chinese localisation files (by Fung T.)
• Czech localisation files (by Marek Pavelka)
• Danish localisation files (by Jens Kaestel, sponsored by Panacea Supplies)
• Dutch localisation files (by Frank Fesevur)
• English localisation files
• English (American) localisation files
• French localisation files (by Sébastien Rodriguez and Pierre Senellart, with contributions from Mathias Monnerville)
• Galician localisation files (by Miguel Anxo Bouzada)
• Georgian localisation files (by Bookland.ge)
• German localisation files (by Victor Massini and Ingolf Kübler)
• Greek localisation files (by Alex Doulamis and Sebastian Barthel)
• Hungarian localisation files (by L. B. Szabó, based on FBReader translation by Sándor Gábor)
• Italian localisation files (by Vytek and Neoxx from AndDev.it Translate Team)
• Japanese localisation files (by Tamotsu Takahashi (Tamo) and Naofumi Fukue)
• Korean localisation files (by halcyonest)
• Norwegian localisation files (by Haakon Meland Eriksen)
• Persian localisation files (by پرتال دانشگاهی کشور)
• Polish localisation files (by Tomasz Długosz and Maciej Bator)
• Portuguese localisation files (by gotoTranslation, sponsored by Panacea Supplies, updated by Bruno Ramalhete and Igor Marques)
• Romanian localisation files (by Mary Hit and Gîrlea Alexandru)
• Russian localisation files
• Serbian localisation files (by Rancher)
• Spanish localisation files (by Antonio Trueba, updated by Francisco Alvarado)
• Thai localisation files (by Samphan Pojanasophanakul)
• Turkish localisation files (by SonySinger)
• Ukrainian localisation files (by Dmytro Shevchenko and Nazariy Makarenko)
• Vietnamese localisation files (by Phạm Văn Hùng_Firestork, updated by Khánh Nguyễn Quốc)