No specific info about version 3.1. Please visit the main page of Type2Phone on Mac Informer.
This app helps you to update your Apple internal Bluetooth modules.
Use the keyboard of your Mac to type on your iPad, iPhone, or Android phone.
With Authy Bluetooth you can connect your computer to your phone.
Bluetooth provides support for Bluetooth enabled headsets and printers.
Mocha keyboard turns your Mac computer into a cable free Bluetooth keyboard, which can be used with a phone or tablet.