If you need the quick web design implementation that Bootstrap provides on your Android apps, or if you just love that Bootstrap look and want to put it everywhere (I thought we reached maximum Bootstrap already?) you are in luck. Recently, Bearded Hen made a set of Bootstrap-style buttons with Font Awesome available on GitHub. Take a look:
According to the GitHub, there are more additions coming, but as far as buttons and text go, you should be all set with Bearded Hen's collection right now. Download from GitHub if you want to put some clean designs together quickly.