Google has announced about the upcoming new for Android application can be updated directly during operation. A special API is already submitted to developers.
While the tools for such updates available to a small circle of “elite” for test purposes, but soon there’s a major release for all developers.
The API provides two options for updates. The first full screen update when the user will not be able to use the app until the update completes. This option is intended for important and major updates, all of the innovations in this case, it becomes available immediately. The second option is more flexible update, it allows you to continue to use the app during the upgrade process.