A free program for Android, by Anker.

The nebula connect app is a convenient app that you can use to control your devices.  Your Nebula smart projectors and Nebula Connect are compatible. Your projector may be easily controlled by using the touchpad, virtual keyboard, and usable buttons. If you forget to bring the remote control, no worries as everything is portable thanks to the Nebula Connect!

Lean back and watch your favorite movie on a massive screen. While watching your favorite TV show, you can complete chores around the house or multitask by browsing online shopping sites and watching a YouTube product review at the same time.