As the use of mobile phones as cameras become more popular people want to get the best possible images with them. In some ways, they are very limited in how you can take photos. There are many companies now making lenses for mobile phones to help you get much better images.
Some are better than others with most requiring a magnetic ring to attach them to your phone, over the camera lens. They can have varying degrees success. Some have good lenses, but the rings dont work, while others... more