Hi there! I've seen them all 3 link you shared of your app video "DOCTOR ON DEMAND", I can design and create explainer video similar as per your desire, with high quality and modern trends.
Do you need it in the 2D animated video? Do you need the same text, background music, and color typography?
as I am a pro-animator and motion graphist with 8+years experience
-Adobe Illustrator
-Adobe Premiere Pro
-Adobe After Effects
-2D animation and 3D animation
designing all types of animation, Storyboards, explainers, promos, video edits, ads and much more, I can share 2D animated explainer portfolio on chat, looking forward to hearing from you, thanks