Sumaya Assamese Keyboard is an In-script based keyboard for typing in Assamese language on android based mobile phones and tablets developed by Sultan Mahmud Mirdha of Kayakuchi, Barpeta. Professionals who do DTP works in Assamese language will be able to type faster and without much effort by using Sumaya keyboard. Moreover it will be beneficial for the aspiring ones who want to choose typing as a career option. Because the popular typing method adopted by the professional typists is inscript. That's why we took it seriously to accelerate the typing method professionally, and this is the reason of making Sumaya keyboard for Android platform. I will be more than happy if my effort can help many others like me. Any suggestion for improvement is always welcomed.