Here's how the Snappgrip attaches to your phone. Since it's connected to the device via Bluetooth, you don't need to worry about physical connectors to use it.
And this is the Snappgrip in action. Just like a standalone point-and-shoot, the Snappgrip allows you to half-press to prefocus. The companion app is available for iOS and Android and the creators are working to provide an API to developers to embed in their own photography apps.
