Export WA Chat to custom build app

1. Export chat file from WA to our application IOS & Android both. (With Media i.e.; Texts, Voice Notes, Images, Videos).
2.Unzip the file received and display all file contents in Our App. (In a valid format, so that we can hear audio note, or see images, etc.).
3. Upload all data retrieved from file, through API call to our server.
4. Only text, images and audio notes are required, to be sent on server.
5. Requirements: Android application must be created by using JAVA and IOS part must be in SWIFT.