Customized Iphone Keyboard (Arabic Script)

Customized Keyboard for Iphone. The letters are based on Arabic Script. Here is the link for complete letters. [login to view URL] I need keyboard from above letters (link). The keyboard should work for every application requires keyboard. I also need the clean and understandable source code to us it in my Pashto Dictionary application. The example you can see in attached file. The letters are more than the keys we have, add some letters in SHIFT+ keyboard.