The phrase references a particular application designed for viewing content on television, specifically optimized for use with a streaming media device. This application provides access to a range of visual and auditory entertainment, while the streaming device enables users to access and display this content directly on their televisions. Think of it as using a key (the app) to unlock and watch content on your TV through a special portal (the Firestick).
The advantages of this setup include convenience, cost-effectiveness, and accessibility to a diverse library of streamed media. Historically, consumers relied on cable or satellite subscriptions for television entertainment. The advent of streaming devices paired with specialized applications has offered an alternative, often more affordable, and customizable viewing experience. It democratizes access to entertainment, allowing consumers to choose what they want to watch and when, rather than being constrained by pre-determined schedules.