An ebook (guide) to create Image Gallery app in Android Studio

This book is a little guide to create an image gallery app using Android Studio. The link to this book is available here:
https://amzn.to/30f25QO

Link to the app (live example) created with the help of the information in this book is available here:
https://play.google.com/store/apps/details?id=com.saypeople.usmanquotes

Usman Zafar Paracha is a sort of entrepreneur. He is the author of "Color Atlas of Statistics", and the owner of an Android game "Faily Rocket."