Android - 从网上更新app中的数据库

I have an app with a database full of information. The user never changes or adds anything to this database. I would like to update the database myself and store it on the web. Then everytime the app loads, it will check the web for a new version. If there is one, it would simply download it and replace it. What is the best way of doing this?I have an app with a database full of informati