Assuming you have your development environment setup correctly...
cd example/
bower install
cordova create build-example/ com.example.bt "BtExample"
(cd build-example/ && cordova platform add android)
(cd build-example/ && cordova plugin add https://github.com/tanelih/phonegap-bluetooth-plugin)
cp -r www/* build-example/www/
(cd build-example/ && cordova build android)
(cd build-example/ && cordova run)