Three other languages have been written in braille: Hausa, Igbo, and Yoruba.
All three alphabets are based on English readings, with the addition of letter's particular to these languages.
The letters of these languages beyond the basic Latin alphabet are as follows: Hausa includes from English q, sh, st, ed (international second d), and three derived letters: Hausa is presumably written in braille in Niger as well, since Ethnologue 17 reports that Zarma is written in braille in that country.
Igbo Braille has from English q, ch, gh, sh, and six other letters with common international/African values: (See Ewe Braille and Kabiye Braille for similar code assignments.)
Yoruba Braille also has (from English q, sh), and three derived letters: The vowel assignments follow international conventions.