You can easily bring some elements from Star Wars onto your iPhone 4 with Star Wars iPhone 4 cases, but if you use Samsung Galaxy S3, the following R2-D2 Galaxy S3 case will help you.
This is a Star Wars themed, one-piece, form-fitting protective case designed for Samsung Galaxy S3 Android phone, and handmade by Alfons. As we can see from the images, the Galaxy S3 case features an exquisite print on the surface inspired by the famous droid R2-D2 from the universe of Star Wars, and its water transfer printing technology produces much sharper images with vivid colors and prevents the pictures from chipping away. Moreover, the Galaxy S3 case is made from durable plastic to protect your device from bumps and scratches. Apart from that, the custom cutouts allow you access to all buttons and functions of your Galaxy S3.
The Star Wars R2-D2 Samsung Galaxy S3 case is priced at $17.99 USD. If you’re interested, jump to Etsy for more details.