Just having a streaming feature alone is not enough in the process of creating a video streaming application; there are other considerations like user experience, content management, video quality, security, and scalability, which must be taken into account right from the early planning phase. Key considerations for the successful development of a video streaming app include user profile creation, search functionality, subscription, watch list, uploading of videos, live streaming functionality, recommendation systems, and secure payment options. It is also essential to choose the right technology stack and scalable cloud environment in order to handle the growing traffic.