this is a test app for apache cordova, using the design pattern mvc this proyect uses localStorage and indexedDB to store data locally using the browser API
you can use this app as an example of cordova-apps and indexedDB
to generate an android app with cordova you must see the Apache Cordova Documentation
Install cordova globally
npm i -g cordova
Check requirements
cordova requirments
Install platforms
cordova platform add android
Generate an android app
cordova build android
Run app directly on your device (needs USB debuggind enabled)
cordova run android --device