Google has begun rolling out a security update to LG Nexus 4 and Samsung Galaxy Nexus (GSM) smartphones running the latest Android 4.3 Jelly Bean software. The update is arriving over-the-air with the “JWR66Y” build number, and it is expected to address the latest Android security vulnerabilities.

Google sent out an e-mail to all its Wallet customers last night, providing them with six different promotions that the team at Mountain View is currently running in conjunction with its partners.

In Android 4.2 Jelly Bean, Google introduced a brand new Clock application with timer support. The application was a huge step up from the previous clock app, and looked classy. In comes Timely, a beautiful alarm clock application, from the developers of Tasks that completely blows the stock clock app in Android 4.2 out of the equation. 

Google has updated its Google Maps apps for Android and iOS to add real-time incident reports from the Waze community. This means that when Waze users — or “Wazers” as they like to be called — report accidents, construction, road closures, and other delays, the alerts will be displayed inside Google Maps as well as Waze.

Google rolled out a major new update to YouTube for Android this week, introducing a brand new user interface with improved navigation, and new features. The app now sports a “card-like” design that’s become a standard inside official Google apps, and you now have the ability to watch clips while you continue browsing for others.