I have a software project of Mass Viber Ads. This kind of software is very popular now and I would to do it as well. The requirements generally will be:
1. Auto mass Ads text to the excel phone number
2. Auto filter phone number which is Viber accounts and send message. Save the filtered number in .txt or excel file.
3. Software run on computer
Video for a reference software: [url removed, login to view]