Now, Google is including this virtual keyboard directly in the search bar, within the search results page. For example, conduct a search at Google Poland or Google Israel and after you search, on the search results page, you will see a keyboard icon near the search bar. Clicking it will bring up a virtual keyboard. Here are pictures:
There is a detailed help document on Google using the virtual keyboard in the search results. Here is a closer screen shot of a virtual keyboard:
Pretty cool, don't you think?