Blizzard has launched a Survey Poll to determine fanbase mobile needs. There will be new polls in the future. For now simply answer what kind of mobile device you have: Apple iPhone, Blackberry, Windows Mobile Phone, Other cell phone. Go to the following WoW forum to answer the poll.
Bornakk: In the interest of providing the best possible mobile service for our players, we will be conducting a series of surveys over the next few weeks. We ask that you please take a moment to participate in the first of these surveys, by choosing the option that answers the question described below.
What type of phone do you own?