How to share the Talk Now App, through the App itself.
In order to share the app through your device, click on three dots on the main page and go to settings.
After that, click on share, and you can share the app to whoever you want through the app of your choice.
When you share the app to your friends and family through WhatsApp, the person will receive a link to download the app from Playstore. By clicking on that link, they will be directed to Talk Now App page in the Playstore through which they can download the app.
Same is the way to share the app through Facebook messenger, the person will receive a link through which they can download the app from Playstore.