Interscope Geffen A&M is launching iPhone applications for five of its key artists, through a partnership with mobile firm Kyte. The five are Lady Gaga, the Pussycat Dolls, Soulja Boy Tell 'Em, the All American Rejects, and Keri Hilson.The free apps include video content from the artists' Kyte channels, as well as branding and advertising, click-through links to buy music and merchandise, a built-in RSS reader to pull in news updates, and community features like chat, comments and sharing.”Kyte