An image that believed as Microsoft’s keyboard innovation found on a presentation by Microsoft Research. Unlike usual, the virtual keyboard has curved design that follow your finger curve that used to hold your phone.
This form of keyboard was discussed by Microsoft about a year ago. With this keyboard, user can type easily because all letters can be reached with a finger, especially thumb. On the image, you can see that the keyboard is not symmetric. That keyboard is demonstrated on HTC Trophy.
Considering that the image of keyboard is real, it’s look like that the Microsoft innovative keyboard will be available on the upcoming Windows Phone update. The Apollo update is reported to bring soft keyboard for various letters. One of them is Korean letters.