Android Question Punjabi font not visible on sony and micromax phones

[kmap]

I am using utf-8 . Its not visible on sony ,micromax and some other android phones.

On samsung even 2.1 android supports.

I am wondering what is wrong if anyone could help me

here is link of app

https://play.google.com/store/apps/details?id=com.modicollege.com

 

[Erel]

Are you including the font file in your app?