Al Azkar - This program has nice interface , complete Arabic interface , contains a lot of Islamic azkar , so Muslims can review them on the mobile easily.Very small in size only 50 K. Work on most of devices that support Arabic. Best working with Nokia N-series . Known issue with current SonyEriccson Models due to Arabic bug.
Bible by biNu Read many translations of the Holy Bible in many different languages. Fast and free on biNu java software. (Need GPRS connection - very low data use)
Holy Quran Malayalam Holy Quran Malayalam translation by Cheriyamundam Abdul Hameed and Kunhumohammed Parappur (also comes with Imla'ei Arabic script Quran) - fast and free from biNu
biNu is optimised to be ultra-fast on low-end phones, not just expensive smart-phones