This program is mandated by Section 5 of the Toxics Substances Control Act (TSCA). The New Chemicals Program functions as a gatekeeper which can identify conditions-up to and including a ban on production-to be placed on the use of a new chemical before it is entered into commerce.
Currently, the newest version is MS Word 2010. Same with all the other different MS applications (PowerPoint, Excel, etc.)
Look for Words with Friends and hit the update option so you can upgrade to version 3.171. We want to hear your feedback, so please share it with us through our forums (http://zynga.tm/cfb0) or in the fan page.