A free program for Android, by bitshift.
DSLR Remote Controller – Free is an Android app that allows you to remotely control your Canon DSLR camera. It’s a tool that makes it easy to capture photos and videos while you’re on vacation. It’s compatible with most models of Canon cameras.
The app requires an Arduino Uno or any other compatible board. The app can control several functions of the camera such as shutter, aperture, focus, and metering.
If you want to download this app, you need to first install it on your device. After installation, you need to make sure that the device is connected to the Internet.