You can share your app from the home screen of you app.
You can also share your app from within the admin console.
- Click on the Admin (button near the top left corner of the app)
- Click on "Share your app" and choose from one of the available methods
Furthermore, your app is sharable from within the "Extra Tab".
If you are using a marketing tool such as Mailchimp, you can also embed your personal install link and email blast your personal install link to clients.