The green Android figurine is in this photo made by Pasi Mämmelä and shared from his courtesy under CC0 license. If you're a tech enthusiast and like Android, than should check the image at full size. Here's optimized for use in desktop backgrounds, homescreen phones or in other projects that you might have.
Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x2048 (compatible with many tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many phones)