I’ve open sourced the app (written in Swift 1.2) at <a href="https:&#x2F;&#x2F;github.com&#x2F;BurntCaramel&#x2F;Lantern" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;BurntCaramel&#x2F;Lantern</a>