While the exact service can vary, this keyword is frequently linked to:
Since "bitlytvlogin3" sounds like a specific internal code name, a developer test case, or a hypothetical version of a Bitly integration for TV interfaces, I have designed a feature that bridges the gap between the "lean-back" TV experience and the "lean-forward" mobile experience.
Your TV will refresh automatically, and Bitly will be linked. You can now manage or view your links from the TV app.