"Rohingya Hanifi Font" is first ever font on Play Store which let you write Rohingya Language easily on your smart phones.
After downloading the font app just go to your '' setting/display/font '' to change ROHINGYA font.
For OPPO, see this tutorial.
Support on Samung, Oppo, Huawei without ROOT Access!
(Some Samsung Over Marshmallow 6.0 Need Root)
supported HUAWEI 6.0 Marshmallow.
Other phone requires root permission!
if you have any problem with this app, please contact me.