1. A system comprising: a first object including a first target; a unique identification at a location accessible by a user; an application associated with the unique identification and configured to: detect the first target; determine that a property of the first target has changed; and based on at least the determination, control an element in the application; and a self-contained electronic device storing instructions that, when executed by the self-contained electronic device, cause the self-contained electronic device to perform a method comprising: recognizing the unique identification; in response to recognizing the unique identification, accessing the application by communicatively coupling with a source location that includes the application and that is remote from the self-contained electronic device to thereby launch the application; capturing a live image in a field of a view of a camera that is communicatively coupled with the self-contained electronic device, wherein the first object is a part of the live image; and feeding the application with the live image.