Looks like options for iOS gamers are only expanding. Not only has Apple just announced the new Game Center, but Aurora Feint has just announced that its OpenFeint social network will soon enable interconnectivity between iOS and Android. The service, called OpenFeint PlayTime, will allow multiplayer gameplay between both platforms -- in addition to matchmaking, game servers, and real-time voice chat during gameplay. If you're a developer, and you're interested in adding cross-platform multiplayer to your next game, hit up the source link to apply for the private Beta. And now you'll ha