Use APKPure App
Get Copy to Clipboard old version APK for Android
Copy image to clipboard
Simple function, help copy photo from your gallery to clipboard.
you can utilize Google Keyboard to paste to other apps that support pasting images.
Please download Gboard - the Google Keyboard to work with this app
The purpose to implement this is to solve copy-paste multiple photos to the story.
As a workaround as Android did not let you add multiple photos in one story.