Edwin, Speech-to-Speech Edwin, Speech-to-Speech seems to be one of the less awesome Personal Assistant like apps. While it does have some really neat features like Wolfram Alpha, it doesn't seem to handle simple day-to-day commands as well as I'd like.
If you're looking for an app that will answer complicated questions, give this one a try.
Read my in-depth review here:
http://www.androidapps.com/finance/apps/301976-edwin-speech-to-speech-neureau/reviews/25251-not-the-best-annie-st-clair