Twilight book goes mobile: Real Networks is launching a mobile game for the popular Twilight book series, which is about a vampire in the state of Washington. The app is available on a number of handsets with AT&T (NYSE: T) and will launch on the iPhone and other carriers soon. Perhaps it is a coincidence, but the apps were developed by two Seattle-based companies, Real Networks and Scene It?, which focuses on integrating the TV into board games.

New Windows Mobile App Store: Microsoft (NSDQ: MSFT) is launching its official Marketplace for Windows Mobile on Tuesday, but San Mateo-based MobiHand has launched a version of its own today. The company says it has been a key partner in Microsoft’s current Windows Mobile Catalog, which is the precursor to the Marketplace. Users must download the app store here.

Obama bans employee texting while driving: In a crack down against distracted driving, federal employees will no longer be allowed to send text messages while driving government vehicles or when driving their own cars and using cellphones paid for by the government, according to an executive order signed Wednesday by President Obama. Next up, the government wants to ban text messaging by bus drivers and truckers who travel across state lines, reports the NYTimes.

buzzd launches on iPhone: Buzzd, a guide to the social scene in your city, has launched on the iPhone and iPod touch. The app has the the “buzzmeter” feature, which measures real-time activity at bars, restaurants and nightclubs. The app has previously launched on the BlackBerry.