The Camera Timer for Android is a useful app that lets you use your smartphone to take pictures and release an external camera. It has a simple interface and works with many models of cameras.

You can take pictures and upload them to a website. The website has an online editor that lets you edit your photos and upload them to Facebook, Twitter, Flickr, Instagram, Picasa, and more.

To use the app you need a special USB host adaptor cable and your Android phone. You can find out more about the cable and how to get it at the website.