Yahoo has signed up Idea Cellular to sell mobile adds across its network….the operator plan to carry a variety of graphical ads, sold and served by Yahoo (NSDQ: YHOO). It has also announced a similar deal today with Maxis Communications Berhad in Malaysia. This adds to its existing operator partnerships, including AT&T (NYSE: T), T-Mobile International and Vodafone (NYSE: VOD) UK. More details in release.

Meanwhile, it has also signed on Mahanagar Telephone Nigam Limited as its Yahoo oneSearch mobile search partner. In addition, it has launched a localized versions of Yahoo! Go 3.0 for India, Australia and Southeast Asia, including a local language version for Indonesia, and an English version of Yahoo oneSearch with voice that recognizes regional accents. The company also announced the launch of new mobile widgets for the Asia Pacific region including Yahoo Cricket, Yahoo! Answers and Showtimes (Yahoo India Movies), as well as a MTV Asia mobile widget featuring news updates and music charts. More details in release.