I do not ban any devices from installing this app, as some people have more than one device, such as tablets without cameras, or compasses, and I will gladly refund users if the app is not working for them. 1 $6.99 Pre-ordered Sun Tracker AR CJC LLC 1 $1.99 Viewed through your phone's camera, you can visualize where the sun will be in the sky any time of year, or when it will move behind an obstru