Haya (also known as Ruhaya) is one of the languages of Tanzania (Africa).
For more information, see SIL Ethnologue code hay.
You can purchase the Ruhaya New Testament (audio format) from Faith Comes By Hearing.
The "JESUS" Film, based on the Gospel of Luke, has been translated into Haya. You can order a copy from www.jesusfilmstore.org. Or order by phone from Campus Crusade at 1-800-432-1997.