If you're savvy enough to want to use the Facebook Mobile app, we're guessing you're savvy enough to get it up and running on your phone or portable -- so buying an additional device for responding to friend requests seems a little silly. Hopefully, AdelaVoice (a company that develops voice-enabled apps for the Internet and social networks) has more plans for its Lighthouse SQ7 than what we see here. Based on the Linux-powered SmartQ7 Internet tablet, the heart of this bad boy
