Nounours for Linux is based on the
app I created for Android and iPhone, but is rewritten in C for
Linux (using the X11 API), and offers a standalone app as well as a
screensaver (integrated with xscreensaver).
As with the Android app and Live Wallpapers, Nounours for
Linux has several themes, including a theme featuring the Android
robot.
The app and screensaver may be launched by searching for
Nounours in Unity, or in the Games menu in Gnome Classic.
The command-line for the app offers more options, to
resize, stretch, or launch with multiple bears (like the
screensaver).
The standalone app:
The screensaver can be configured to have multiple
characters on the screen. The settings also allow you to set how long
until the bear (or robot) falls asleep.
The screensaver configured with 55 little Android robots: