Talking Dialer App for Android
'Slide your finger in the direction of the number you want — always starting at 5, you can then go up and to the left for 1, or down and to the right for 9, and so on.
Press Menu to access your Phonebook. Press the Dial button to call.'
'Talking dialer is a special tool for the differently abled people. This allows you to make phone calls easier than before having a big screen with extra large icons and getting even bigger on a mild touch on it. '
This is a free app