Hybrid mobile apps are combination of online web application and native application which is usually web browser wrapper for web application. This concept is commonly used to expose native resources of mobile device to web application and to skip developing web application from scratch as native app. But what to do when Android has no access to web application server? Can you deploy also Java web application to Android device to work offline? In this presentation we will share our experience with building small Java servlet server and with deploying Java servlet application to work on Android. Does it work ok? Are there any limits? Find answers on this presentation.