Create a widget on Android background

Google's Creative Lab has launched an app that transmits the static background of your smartphone turns into a widget that information in a visual way over wifi strength , battery level and number of notifications.

The wifi signal is displayed as a green triangle with the name of the network below.

The battery percentage can be read via a purple ball and notifications piling up in a blue square. By tilting the phone or move the widget can be manipulated. Meter app is available for free via Google Play.