Write an Android application

We have need to create application for magento that we can control aspects of mobile design with extension on magento. We need andorid design to be nimble and user friendly for users of magento and we need access to replicate the android mobile design in many different stores. So the intial process should be able to be replicated with our other stores by us. We want this to be very similar to this extension company. See [login to view URL] and review their open cart module android store with push notification app. we will need the app to be store specific however. In our marketplace we have vendors that would like to upgrade to have a native app. We are looking to satisfy this need, if possible. But, first and ultimately we want to have app for our primary marketplace on magento