iOS : bubble text?

Question

Any idea what's the code for getting text with every letter in bubble like here :
Take a look :
http://apps.su/program/24939/bubble-your-text.html

Answer 1

All it seems to be doing is converting the letters into these unicode characters: http://www.bubbleballtext.com/unicode

Update

Here you go, it's called 'Enclosed Aphanumerics' - http://unicode.org/charts/nameslist/c_2460.html