Airbnb Launches Android App, Mobile Site

San Francisco-based Airbnb, the online service which helps people connect with private rooms, said today that it has launched a new Android application, and a redesigned mobile website. The apps--which are free--offer similar functionality to the services iPhone app. Airnmb is backed by DST Global, Andreessen Horowitz, Greylock Partners, Sequoia Capital, SV Angel, Ashton Kutcher, and Youniversity Ventures.