• The 2012 International CES was the largest in the show's 44-year history, the Consumer Electronics Association said in an announcement released last night. The conference had 1.861 million net square feet of exhibit space, beating the previous record of 1.857 million net square feet at the 2008 show.

AppTap has landed $4 million in funding from Syncom Venture Partners and existing investor New Atlantic Ventures. The company will use the cash to add new capabilities to its apps recommendations service, which also gives developers a way to advertise their apps.

Motorola Solutions has finished the basic functionality testing for its public safety LTE network. The tests were conducted at a National Institute of Standards and Technology (NIST) facility in Boulder, Colo. Motorola's gear is designed to ensure that various LTE networks using spectrum set aside for public safety are interoperable, a critical feature of what first responders hope will eventually become a national network.

• The LG Marquee goes on sale at prepaid provider Boost Mobile on Jan. 23. The Android-based device has a 4-inch NOVA touchscreen, front- and rear-facing cameras and a 1 GHz processor. The phone costs about $280 and is being offered with Boost's $55 plan for Android devices with "shrinkage," which drops a user's monthly bill by $5 for every six on-time payments.

• Electronics distributor PCS Wireless will begin offering its U.S. and Canada carrier customers cell phones manufactured by ZTE through a new deal announced this week. PCS Wireless will stock and distribute a variety of models from the Chinese electronics maker, including feature phones and Android smartphones running on both GSM and CDMA. The distributor has more than 5,000 customers worldwide and operates an 85,000-square-foot warehouse located in New Jersey.