i need to replicate whatsapp with some changes

Job ID: 33528104

Budget: $30 – $250 USD

There is a copy of the code on github i need to make these changes to it

1st i need to be able to import and export chats and call history through an file and when the file is exported i can modify it and reimport it again

2nd i can modify the time and the year of the chat and the call history from the exported file