Only with the Pro subscription are you able to remove the Buildbox logo and add your own. Also, animated logo's are not permitted.
Only by making the game larger. There is not a way to artificially make it longer though you could create a UI following the splash screen that has the same image and set to a timer
does anyone know how to sequencing .obj as animation sprites i can't make the horse run perfectly can someone help me or do Tutorial example Link :https://drive.google.com/drive/folders/1yIUf2jIw6IH1cZnypIjrryqRWkmkgk1N?usp=sharing