Build your Android app using PhoneGap
PhoneGap also have the online tool where you cneed to upload your template and it will returns your the android app. It also provides you Play Store ready app so that you can publish your android app on Google Play Store.
Just build your static website or template with your existing web development skills and PhoneGap will convert it into a native android app. Even you can also publish it on Google play Store.
Build your Android app using Apache Cordova