It is an improvement in the human/machine interface to anticipate data before it is needed. The B4A developer can code selecting data that would be needed to complete a phone call and display that data at the moment it is needed. I can think of hundreds of times when I called some one, I need some reference number to complete the call. Just think about the next time you want to refill a prescription - how you keep track of the Rx number - wouldn't it be easy to just enter the Rx number if it was visible in the dial pad? What about the next time you are asked for insurance policy number? There are hundreds of uses for life to be easier with B4a.
I write many, many apps in B4a where the data is in the cloud. These are custom Family or group apps. So when any family member needs some data such insurance information the phone number be dialed and policy number visible in a single keystroke. The B4A developer can than take advantage of the multiple dimension display that is not available anywhere else (that I know of).