You are talking about
TapaTalk? Its the only one I know of that has support range for: iPhone, Blackberry, Nokia, Android. Forum-wise there's phpbb and vbulletin. Support for vBulletin is from 3.7 to the latest 4.0 but I am not sure; its a sort of mirror I think and you will need a client or such to use it (as far as I understand; no hands on experience sorry).
Is this the one?