Blackberry Messenger(BBM) FOR IPHONE 4 ???

[canoo]

Hi everyone i wanna download blackberry messenger for iphone 4 Is it possible? i saw a a few youtube videos

[ame="http://www.youtube.com/watch?v=k3QE-krT5gI"]YouTube - BBM For iPhone[/ame]

[ame="http://www.youtube.com/watch?v=TjuoswXon-Y"]YouTube - How to Use Blackberry Messenger on an iPhone[/ame]



I think blackberry messenger breakable .after downloadable for iphone 4.
necessary a some to contend