It is almost certainly a mirror or proxy version of the original Filmyfly piracy website, currently operating under the .dev extension. It is not an official streaming service like Netflix or Amazon Prime.
The good news is that you do not need to risk a visit to filmyfly dev to enjoy great cinema. There are affordable, safe, and high-quality legal alternatives. www filmyfly dev
Have you seen this site pop up on your social media feed? Report the link as "Spam" or "Dangerous Site" to help others stay safe. It is almost certainly a mirror or proxy
The site focuses on ease of navigation to help users find the latest releases quickly. www filmyfly dev