The Motorola Droid has an absolutely gorgeous 3.7-inch WVGA touch screen, so you'll want to take every measure to protect it. The Motorola Droid Skinomi TechSkin Screen Protector is a cheap and easy way to do so. The clear, thermoplastic urethane film adheres to the smartphone's touch screen and protects it from scratches, fingerprints, and dust. One package costs $11.95.