@font-face not working,help me please

@font-face not working,help me please

  1. @font-face {
  2.     font-family: 'customfont';
  3.     src:url('font.ttf');
  4. }
  5. div{font-family:'customfont';}
my code is working at android webbrowser,
but is not working in my  jqm+phonegap apk, 
the same code is not working,i dont know why,help me please

Or

Can i  used cunstom font in android by jquery?