Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
If you are somewhat tech savvy you can use Tasker to do this for both calls and sms.
Try looking through the Accessibility options in the Settings menu. I believe I saw about about speaking the caller's name in there.
The native "Driving Mode" toggle, on the status bar (scroll to the right) does this.