Query Regarding Arduino BT

Hi,

I am planning to purchase the Arduino BT for one project. I had a query that can I make the board to communicate with my bluetooth mobile? If I write some simple program on my mobile.

You would have to look up in your phone programming guides on how to open a bluetooth serial connection. (It's one of the profiles, most phones that are bluetooth-pc-pairable have it)

But other than that, it's standard and fully doable.
Just depends on your phone is all.

Nokia's are best for this because they give you full app programming control. (Including serial, I know for a fact).