Mobile social and video applications platform Vringo Inc. announced is has secured a $3.35 million round of financing, representing $850,000 of new funds and conversion of $2.5 million of notes previously issued in bridge financing led by Benchmark Capital and DAG Ventures.

Clear Channel Radio and Cumulus Media Inc. today announced an agreement that will make all 570 Cumulus radio stations in 120 markets available on the New iHeartRadio platform. Of equal if not more importance, it also calls for Clear Channel Radio to advertise SweetJack, Cumulus’s daily deals platform.

Dutch mobile startup Repudo has partnered with You Me at Six to create a real-world scavenger hunt for digital objects. The campaign is tied to the pop-punk band’s new single, “Bite My Tongue,” which is released today.

Mobile Entertainment Forum chapter MEF North America announced the results of its board elections, with Impact Mobile president Gary Schwartz re-elected as chairman of the board. KPMG principal and U.S. Digital Services Leader Sanjaya Krishna similarly remains on the board as vice chair.

Antares Audio Technologies and Montreal’s NewHula.com have joined forces to create Auto-Tune Phone, an app that does exactly what it says. Users can take any phone call and auto-tune it.

Shazam and Twentieth Century Fox are using Shazamable TV ads to support the Dec. 16 release of "Alvin and the Chipmunks: Chipwrecked." The companies involved say this is the first time this combination of media has come together for a movie promotion.

HighlightCam Inc., which uses facial recognition and other technologies to create practically automatic video editing applications, has secured $3 million in funding and released a new mobile product. The Series A funding was led by Quest Venture Partners with participation from NTT Docomo and Digital Garage.

NBC released a free mobile app just in time for the many viewers who shared their Thanksgiving with NBC and a canine family member for "The National Dog Show." The app stands alone, but it also served as a second screen enhancement during the two-hour broadcast.

Catalog Spree has secured $6.1 million in Series A funding, led by Comcast Ventures, with participation from BlackBerry Partners Fund and El Dorado Ventures. The free catalog shopping iPad app will use the financing to continue its innovation and expansion.

Actress/singer Selena Gomez has invested in Postcard on the Run, as has CrossCut Ventures and a fistful of Silicon Valley names. The company raised $750,000, which is pocket change to the likes of angels Mike Jones, Kamran Pourzanjani, Yves Sisteron, Aber Whitcomb, Brian Fitzgerald, Ryan Steelberg, Colin Digario, Brian Lee, Chris DeWolfe and Jarl Mohn, but it still has to be helpful to have them involved.