Hi there,
As per your requirements you need an app to play some videos files on both iOS and android systems by fetch the videos files either through Youtube or firebase.
Can you share reference which you have in your mind?
I can develop an iOS and Android App as per your requirements. The features will also include share button for whatsapp and snapchat.
Kindly check my profile as I am a top rated developer. I have 5+ years of experience in Mobile apps Android in Java and Kotlin, iPhone in Swift language, Native, Flutter, Back-end and Front-end Admin panel, location, map API and professional UI/UX design for all apps. Also have experience in PHP, Wordpress, Codeigniter, Magento, Laravel, Yii, Adobe Photoshop, Adobe Illustrator, HTML, CSS, Javascript, MySql.
Hope to get response back from you.
Thanks